Looking for an accurate Nike LeBron sizing guide before buying your next pair?
The short answer is that most Nike LeBron basketball shoes fit true to size, but not every model fits exactly the same.
The LeBron 20, LeBron 21, LeBron 22, and LeBron NXXT Gen generally fit true to size, while models like the LeBron Witness 8 feel a bit snug and are often more comfortable with a half-size up.
If you have wide feet, some LeBrons offer a fairly accommodating fit, while others use a tighter, performance-oriented shape that can feel restrictive during games.
The quick guide below helps you narrow down your ideal LeBron size based on your foot width and the type of fit you prefer…
Find Your LeBron Size
- Normal feet: Most LeBron models fit true to size.
- Wide feet: Consider going up half a size in snug-fitting models such as the LeBron 20, LeBron 21, LeBron NXXT Gen, LeBron TR 1, and Witness 8.
- Narrow feet: You can usually stay true to size and may even prefer a half size down in the LeBron 23 if you like a very snug fit.
- Between sizes: Choose the smaller size for a tighter performance fit or the larger size for extra comfort and toe room.
- Very wide feet: Be especially cautious with the LeBron TR 1, LeBron 20, LeBron 21, NXXT Gen, and Witness 8. These are some of the narrower-fitting LeBrons in the lineup and often work better with a half-size increase.
- Casual wear: If you’re buying LeBrons primarily for everyday use rather than basketball, going up half a size can provide a more relaxed and comfortable fit, especially in models like the LeBron 20 and LeBron 21.
- Ankle braces or orthotics: Consider going up half a size to accommodate the extra volume inside the shoe.
Oh, and if you’ve worn Kobes before, check out my Nike Kobe sizing guide. They fit very differently from LeBrons. They’re slimmer and more form-fitting, so it’s worth seeing how the two compare.
| LeBron Model | Fit | How I’d size it |
|---|---|---|
| LeBron 23 | Runs slightly long | – True to size for most people. – Half size down for a snug performance fit – Wide feet should stay true to size |
| LeBron 22 | True to size | – True to size. – Same size as LeBron 21 – Slightly more forgiving toe box |
| LeBron 21 | True to size | – True to size for most people. – Half size up for wide feet or ankle braces – Leather versions feel slightly snugger |
| LeBron 21 Prime 93 | True to size / stiff upper | – True to size. – Upper feels firmer at first – Breaks in better after a few wears |
| LeBron 21 Prime 96 | True to size / more forgiving | – True to size. – Softer upper feel than Prime 93 – Easier break-in period |
| LeBron 20 | True to size / snug | – True to size for most people. – Half size up for wide feet – Snug fit that improves after break-in |
| LeBron NXXT Gen | True to size / very secure | – True to size. – Tight, one-to-one fit – Half size up for wide or semi-wide feet |
| LeBron TR 1 | Very snug / sock-like | – True to size if you like a tight fit. – Half size up for more room – Not ideal for wide feet |
| LeBron Witness 8 | Runs small / snug | – Half size up recommended. – Padded collar pushes foot forward – Try on with braces or orthotics if you use them |
| LeBron Witness 7 | True to size | – True to size. – Slightly roomy toe box – Don’t size down |
| LeBron Witness 9 | True to size | – True to size for most people. – Secure basketball fit – Wide feet should try on first |
Download My Free LeBron Sizing Cheat Sheet (1–23)
Get a printable one-page PDF with my sizing recommendations for every major LeBron model, including which pairs fit true to size, which run small, and which are best for wide feet.
In this Nike LeBron sizing guide, I’ll break down how every major LeBron model fits, which pairs run snug, which work best for wide feet, and how to choose the right size before you buy.
Before we start, use my LeBron sizing profile to compare your foot shape and fit preferences to mine so you can better judge which recommendations are most relevant to you…
My LeBron Sizing Profile
- Brannock Size: 9D to 9E
- Foot Shape: Slightly wide forefoot
- Preferred Fit: Snug, secure basketball fit with strong lockdown
- Typical Nike Size: US 9
- LeBron Size: Usually US 9, sometimes US 9.5 in narrower colorways
I generally prefer a close, performance-oriented fit with minimal dead space inside the shoe. I like my heel locked in and my foot held securely during lateral movements, but I still want enough room for my toes to move naturally.
Because of that, I stay true to size in most LeBron models. However, I will occasionally go up half a size in shoes that fit particularly snug through the forefoot or use stiffer materials that don’t offer much stretch.
Keep in mind that LeBron shoes are designed for basketball performance first. They often fit more securely than casual sneakers, so your ideal size may depend not only on your foot shape but also on how much lockdown you prefer.
Oh, and I also broke down Air Jordan size and fit in another article if you want to see how they stack up against LeBrons.
Nike LeBron Sizing Guide
LeBron 23 Sizing
The LeBron 23 runs slightly long. Most people can wear their true size, but many regular-width and narrow-footed wearers may prefer going down half a size for a more secure fit.
After trying multiple pairs of the LeBron 23, I found that my true size felt a little longer than I like.
The extra length wasn’t terrible, and plenty of people will be perfectly happy staying true to size. Still, I ended up going down half a size, and the fit felt much better on foot.
For me, that half-size-down adjustment created a snugger, more dialed-in fit. The length felt just right afterward, and the shoe felt more secure during movement.
Width-wise, the LeBron 23 is actually fairly accommodating. The widest part of the shoe has a bit more room than you might expect from a performance basketball model.
The toe box does taper slightly toward the front, but the overall fit isn’t particularly narrow.
Because of that shape, I think most wide-footers can safely stay true to size. The extra length may actually work in your favor.
If you have average-width feet and prefer a secure performance fit, I’d strongly consider going down half a size. The same applies to narrow-footed players who don’t like extra room in front of their toes.
Related: If you’ve worn Nike Dunks before, you’ll find LeBrons feel a bit snugger and more performance-focused. I covered all the details in my Nike Dunk sizing guide.
LeBron 22 Sizing
The LeBron 22 fits true to size. It feels very similar to the LeBron 21, although the toe box has a little more room and the upper feels slightly more forgiving.
If you’ve worn the LeBron 21, sizing the LeBron 22 is easy. In my experience, the two shoes fit almost identically, and I had no issues sticking with my usual size.
Length-wise, true to size felt spot on. I had a secure fit without my toes feeling cramped, which is exactly what I want from a basketball shoe.
The fit is still performance-oriented, but Nike softened things up a bit compared to the LeBron 21.
The biggest difference I noticed was in the toe box…
The LeBron 21 felt very snug, to the point where there wasn’t much room to move my toes at all.
The LeBron 22 still has a close-fitting shape, but there’s a little more space up front. I could move my toes slightly more, and the upper material has a bit more give as well.
Width-wise, I’d describe the LeBron 22 as slightly narrow through the forefoot, while the midfoot feels fairly standard.
It’s not a wide shoe, but it isn’t overly restrictive either. Most players with average-width feet should have no problem going true to size.
If you prefer a snug, locked-in fit, I’d definitely stay with your normal size. That’s where I found the shoe performed best.
If you like a little extra room in your basketball shoes or you’re on the wider side, going up half a size could work, although I don’t think most people will need to.
Related: I also wrote about how Nike Vomero fits, and it’s basically the opposite of LeBrons.
LeBron 21 Sizing
The LeBron 21 fits true to size. Most players should stick with their normal Nike basketball shoe size, although wide-footers and those who wear ankle braces may prefer going up half a size.
If you’ve worn the LeBron 20 or other recent LeBron models, the LeBron 21 should feel very familiar. Nike kept the same last and overall shape, so there aren’t any major surprises when it comes to sizing.
For me, true to size was the way to go. The fit is snug and performance-oriented. You want your toes to lightly brush the front of the shoe, and that’s exactly how the LeBron 21 fits at your regular size.
The original version feels very similar to the LeBron 20, but the updated mid-season release changes things slightly.
The biggest difference comes from the leather upper. Unlike the softer knit material used previously, the leather doesn’t stretch nearly as much, so the shoe feels a little more structured around the midfoot.
Because of that, the updated version can feel slightly narrower right out of the box. It does break in over time, but not to the same extent as the original model.
If you have average-width feet, I still think true to size is the right move. The fit remains secure and comfortable once the shoe softens up.
Wide-footers may have a different experience. If you typically need extra room in the forefoot, or if you play with ankle braces, I’d seriously consider going up half a size.
That little bit of extra space can make a noticeable difference without sacrificing lockdown.
One thing I really like about the LeBron 21 is how secure it feels around the ankle. The Nike Sphere padding in the collar and tongue does an excellent job holding your foot in place.
The tongue might not get much attention, but it plays a big role in creating that locked-in feel.
Related: The Nike Air Max lineup fits a lot more forgiving than LeBrons, so if you’re used to that roomy toe box, check my Air Max size sizing guide and Air Max size chart before switching pairs.
LeBron 21 Prime 93 & Prime 96 Sizing
Both the LeBron 21 Prime 93 and Prime 96 fit true to size. The main difference isn’t sizing but how the upper feels on foot, with the Prime 93 being slightly stiffer and the Prime 96 feeling more flexible right out of the box.
Again, the biggest difference between the two comes from the upper materials.
The Prime 93 has a firmer, more structured feel. When you first put it on, the upper can feel a little stiff, and it may take a few wears before everything softens up.
Once broken in, though, the fit settles nicely and feels much more natural.
The Prime 96 is the easier shoe to wear right away. The upper flexes more, feels less restrictive, and doesn’t require nearly as much break-in time.
If comfort straight out of the box is important to you, I think most people will prefer the Prime 96.
That said, both models share the same overall shape…
Personally, I’m not the biggest fan of the pointed last Nike used here. It reminds me of shoes like the Ja 1, Sabrina series, and some recent KD models.
The forefoot tapers more than I’d like, which can make the shoe feel a little narrow initially. Thankfully, once the materials soften up, the fit becomes much more comfortable.
For most players, I’d stick with your normal size in both versions. If possible, try them on in-store because the difference in upper stiffness is noticeable, especially in the Prime 93.
Related: I’ve also written about how Air Force 1s fit, and the main difference is that AF1s are great for everyday comfort, while LeBrons are built for a secure, on-court feel.
Download My Free LeBron Sizing Cheat Sheet (1–23)
Get a printable one-page PDF with my sizing recommendations for every major LeBron model, including which pairs fit true to size, which run small, and which are best for wide feet.
LeBron 20 Sizing
The LeBron 20 fits true to size for most people. Wide-footers may prefer going up half a size, while narrow-footed players who like a very snug fit could potentially go down half a size.
The LeBron 20 was one of the easiest recent LeBrons for me to size. I went with my normal size and got exactly the fit I was looking for.
My toes sat right at the edge of the shoe, there was no heel slip, and the lockdown felt excellent from the start.
That said, don’t be surprised if the shoe feels a little tight during your first few wears.
The LeBron 20 has a snug, performance-oriented fit, especially through the midfoot. Fortunately, the shoe gets noticeably better once it breaks in.
The upper starts to mold to your foot, the collar padding softens up, and the overall fit feels much more natural after a few sessions.
One thing I really liked was the Sphere cushioning around the ankle. It helps secure your heel and creates a more locked-in feel as the shoe breaks in.
The more I wore the LeBron 20, the better it seemed to fit.
For most players, I’d stay true to size without hesitation. If you have average-width or narrow feet, that’s where I think the shoe performs best.
Wide-footers may want to take a different approach. The LeBron 20 isn’t overly narrow, but it definitely isn’t roomy either.
If you typically need extra space in the forefoot or midfoot, going up half a size can improve comfort without dramatically changing the fit.
On the flip side, players with narrow feet who enjoy an extremely secure fit could experiment with going down half a size.
Personally, I think true to size is still the safest option, but I know some players prefer that tighter one-to-one fit.
Related: You can check my guide on Adidas sneaker sizing if you want to see how they stack up against LeBrons in terms of width, length, and overall comfort.
LeBron 20 Pink Diamond Sizing
The Pink Diamond colorway follows the same general sizing recommendation and fits true to size for most people.
However, I found that narrow-footed players could potentially get away with going down half a size once the shoe breaks in. The fit becomes more forgiving over time, and slimmer feet may appreciate the extra lockdown.
Wide-footers may have the opposite experience. The fit can feel a bit restrictive, and while going up half a size can help, keep in mind that these are low-top basketball shoes.
Adding extra length may introduce a little heel movement.
LeBron 20 All-Star Sizing
The All-Star colorway was slightly different.
The knit upper felt a little more relaxed compared to other LeBron 20 releases, which gave the shoe a roomier feel overall.
True to size still works perfectly well, but I actually went up half a size and enjoyed the extra room in the toe box.
For performance play, I’d still lean toward true to size. For casual wear, though, I can see why some people would prefer going up half a size for a more comfortable fit.
Related: If you ever switch from LeBrons to something more everyday-friendly, I also wrote a full guide on Nike Vapormax sizing that breaks down how each model fits.
LeBron NXXT Gen Sizing
The LeBron NXXT Gen fits true to size, but it has a very snug, foot-hugging fit. Wide-footers should consider going up half a size, while most players will be happy staying true to size.
The LeBron NXXT Gen is one of those shoes that feels secure the moment you put it on.
I went true to size, and the fit was extremely close to my foot right out of the box.
It actually reminded me a lot of the PG 5. There’s very little extra space inside, almost no heel slip, and the lockdown is excellent from heel to toe.
Despite the snug fit, I never found it uncomfortable. The upper materials have enough flexibility to move with your foot, so you get that one-to-one fit without any painful pressure points or pinching.
Compared to the regular LeBron 20, the NXXT Gen feels a bit different underfoot as well.
The LeBron 20 has a softer and more cushioned ride, while the NXXT Gen feels firmer and more stable. Personally, I think players who prefer court feel and responsiveness will appreciate that difference.
The shoe does need a little break-in time. Initially, everything feels tight and secure, but after a few wears, the materials soften up and the fit becomes even more comfortable.
One thing that caught me off guard was the shape…
Looking down at the shoe, it appears fairly wide, but it doesn’t actually fit like a wide basketball shoe. The fit remains snug through most of the foot, especially compared to roomier models in Nike’s lineup.
Because of that, I’d recommend true to size for players with narrow or average-width feet. That’s where I think the shoe performs best.
If you have wide feet or even slightly wide feet, going up half a size is worth considering. The extra room can make the fit much more comfortable without dramatically affecting lockdown.
Related: If you’re wondering whether Huaraches run big or small, I cover the full breakdown in my Nike Huarache sizing guide.
LeBron TR 1 Sizing
The LeBron TR 1 fits true to size, but it has a very snug, sock-like fit. Most people should stick with their normal size, while those who prefer extra room may want to go up half a size.
The LeBron TR 1 fits quite differently from most shoes in the LeBron lineup.
I found the fit to be true to size, but it’s one of the most wrapped-up and secure-fitting training shoes I’ve worn. From the moment you put it on, your foot feels locked in from heel to toe.
If you’re someone who loves that one-to-one fit where the shoe moves with your foot, you’ll probably enjoy the TR 1. The fit feels very precise and controlled, almost like wearing a performance sock with a sole attached.
The snugness comes from a few design choices. The one-piece collar creates a close-fitting entry, and the foam cage around the sides adds another layer of containment.
Together, they create a very secure fit, but they also make the shoe feel tighter than many traditional training shoes.
Personally, I didn’t find it uncomfortable, but I definitely noticed the extra pressure around the sides of my foot compared to roomier trainers.
That’s why I don’t think the TR 1 is the best option for wide-footers. Most people with wider feet tend to prefer training shoes with a broader platform and a more natural foot shape. The TR 1 takes the opposite approach. It’s built around containment and lockdown rather than spaciousness.
For average-width and narrow feet, true to size works very well. The fit feels secure without excessive movement, which is exactly what many athletes want during training sessions.
If you prefer a little extra breathing room or simply don’t enjoy a tight-fitting shoe, going up half a size could help.
That said, if you have genuinely wide feet, I’d probably look at a different training shoe altogether rather than trying to force the fit by sizing up.
Related: For sneaker fans comparing LeBron sizing to other Nikes, my guide on Nike Presto sizing is worth a read.
LeBron Witness 8 Sizing
The LeBron Witness 8 runs slightly small. I recommend going up half a size for most people, especially if you prefer a little extra room or wear ankle braces.
The LeBron Witness 8 fits a bit differently than many other budget-friendly basketball shoes in Nike’s lineup. While the shoe isn’t dramatically undersized, I found it noticeably snug right out of the box.
A big reason for that comes from the collar design. Nike used a heavily padded and sculpted collar that does a great job securing your ankle, but it also pushes your foot slightly forward into the forefoot.
As a result, the shoe can feel tighter than expected, particularly around the heel and toe area.
The good news is that the fit improves with wear. Once the materials soften up and the padding breaks in, the shoe feels much more comfortable.
Still, I think most players will have a better experience by going up half a size from the start.
If you wear orthotics or ankle braces, I’d be even more cautious. The combination of the padding and the mid-cut design can change how your foot sits inside the shoe, which is why I’d strongly recommend trying them on in-store if possible.
Related: If you want to compare LeBrons with another bulky Nike model, my Foamposite sizing guide is worth a look.
LeBron Witness 7 Sizing
The LeBron Witness 7 fits true to size. Most players should stick with their normal size despite the slightly roomy toe box.
The LeBron Witness 7 is much easier to size than the Witness 8.
I found the length to be spot on at my normal size. There is a little extra space in the toe box, but not enough to cause any issues during play.
In fact, I think that small amount of extra room helps make the shoe more comfortable over longer sessions.
Because of that, I wouldn’t recommend sizing down. If you drop half a size, there’s a good chance your toes will start pressing against the front of the shoe, which isn’t something I’d want in a basketball sneaker.
The fit also improves after a short break-in period. The upper softens up, conforms better to your foot, and feels more natural after a few wears.
No, it doesn’t have the premium materials or refined fit of the flagship LeBron models. But once broken in, the Witness 7 delivers a surprisingly solid on-court fit and dependable comfort.
For most people, true to size is absolutely the right move here. The slight extra room up front isn’t a problem, and it’s much better than ending up with a shoe that’s too short.
Download My Free LeBron Sizing Cheat Sheet (1–23)
Get a printable one-page PDF with my sizing recommendations for every major LeBron model, including which pairs fit true to size, which run small, and which are best for wide feet.
Nike LeBron Size Chart
| Men's US | Women's US | UK | EU | Inches | CM |
|---|---|---|---|---|---|
| 3.5 | 5 | 3 | 35.5 | 8 1/2 | 21.6 |
| 4 | 5.5 | 3.5 | 36 | 8 2/3 | 22 |
| 4.5 | 6 | 4 | 36.5 | 8 4/5 | 22.4 |
| 5 | 6.5 | 4.5 | 37.5 | 9 | 22.9 |
| 5.5 | 7 | 5 | 38 | 9 1/5 | 23.3 |
| 6 | 7.5 | 5.5 | 38.5 | 9 1/3 | 23.7 |
| 6.5 | 8 | 6 | 39 | 9 1/2 | 24.1 |
| 7 | 8.5 | 6 | 40 | 9 2/3 | 24.5 |
| 7.5 | 9 | 6.5 | 40.5 | 9 4/5 | 25 |
| 8 | 9.5 | 7 | 41 | 10 | 25.4 |
| 8.5 | 10 | 7.5 | 42 | 10 1/5 | 25.8 |
| 9 | 10.5 | 8 | 42.5 | 10 1/3 | 26.2 |
| 9.5 | 11 | 8.5 | 43 | 10 1/2 | 26.7 |
| 10 | 11.5 | 9 | 44 | 10 2/3 | 27.1 |
| 10.5 | 12 | 9.5 | 44.5 | 10 4/5 | 27.5 |
| 11 | 12.5 | 10 | 45 | 11 | 27.9 |
| 11.5 | 13 | 10.5 | 45.5 | 11 1/5 | 28.3 |
| 12 | 13.5 | 11 | 46 | 11 1/3 | 28.8 |
| 12.5 | 14 | 11.5 | 47 | 11 1/2 | 29.2 |
| 13 | 14.5 | 12 | 47.5 | 11 2/3 | 29.6 |
| 13.5 | 15 | 12.5 | 48 | 11 4/5 | 30 |
| 14 | 15.5 | 13 | 48.5 | 12 | 30.5 |
| 14.5 | 16 | 13.5 | 49 | 12 1/5 | 30.9 |
| 15 | 16.5 | 14 | 49.5 | 12 1/3 | 31.3 |
| 15.5 | 17 | 14.5 | 50 | 12 1/2 | 31.7 |
| 16 | 17.5 | 15 | 50.5 | 12 2/3 | 32.2 |
| 16.5 | 18 | 15.5 | 51 | 12 4/5 | 32.6 |
| 17 | 18.5 | 16 | 51.5 | 13 | 33 |
| 17.5 | 19 | 16.5 | 52 | 13 1/5 | 33.4 |
| 18 | 19.5 | 17 | 52.5 | 13 1/3 | 33.9 |
| 18.5 | 20 | 17.5 | 53 | 13 1/2 | 34.3 |
| 19 | 20.5 | 18 | 53.5 | 13 2/3 | 34.7 |
| 19.5 | 21 | 18.5 | 54 | 13 4/5 | 35.1 |
| 20 | 21.5 | 19 | 54.5 | 14 | 35.5 |
| 20.5 | 22 | 19.5 | 55 | 14 1/5 | 36 |
| 21 | 22.5 | 20 | 55.5 | 14 1/3 | 36.4 |
| 21.5 | 23 | 20.5 | 56 | 14 1/2 | 36.8 |
| 22 | 23.5 | 21 | 56.5 | 14 2/3 | 37.2 |
Big Kids (1Y – 7Y)
| Foot Length (in) | US | Foot Length (cm) | UK | EU |
|---|---|---|---|---|
| 7 15/16 | 1Y | 20.1 | 13.5 | 32 |
| 8 1/16 | 1.5Y | 20.5 | 1 | 33 |
| 8 4/16 | 2Y | 20.9 | 1.5 | 33.5 |
| 8 7/16 | 2.5Y | 21.4 | 2 | 34 |
| 8 9/16 | 3Y | 21.8 | 2.5 | 35 |
| 8 12/16 | 3.5Y | 22.2 | 3 | 35.5 |
| 8 13/16 | 4Y | 22.4 | 3.5 | 36 |
| 8 15/16 | 4.5Y | 22.7 | 4 | 36.5 |
| 9 2/16 | 5Y | 23.2 | 4.5 | 37 |
| 9 4/16 | 5.5Y | 23.5 | 5 | 38 |
| 9 6/16 | 6Y | 23.8 | 5.5 | 38.5 |
| 9 9/16 | 6.5Y | 24.3 | 6 | 39 |
| 9 11/16 | 7Y | 24.6 | 6 | 40 |
Related: LeBrons are supportive and performance-focused, but after heavy games or training, your feet need a break. That’s where a recovery option comes in, and I explained whether the Rejuven8 runs small or big in my full breakdown.
Little Kids (8C – 3Y)
| Foot Length (in) | Foot Length (cm) | US | UK | EU |
|---|---|---|---|---|
| 5 15/16 | 15 | 8C | 7.5 | 25 |
| 6 4/16 | 15.9 | 9C | 8.5 | 26 |
| 6 9/16 | 16.7 | 10C | 9.5 | 27 |
| 6 12/16 | 17.2 | 10.5C | 10 | 27.5 |
| 6 15/16 | 17.6 | 11C | 10.5 | 28 |
| 7 1/16 | 18 | 11.5C | 11 | 28.5 |
| 7 4/16 | 18.4 | 12C | 11.5 | 29.5 |
| 7 7/16 | 18.8 | 12.5C | 12 | 30 |
| 7 9/16 | 19.3 | 13C | 12.5 | 31 |
| 7 12/16 | 19.7 | 13.5C | 13 | 31.5 |
| 7 15/16 | 20.1 | 1Y | 13.5 | 32 |
| 8 1/16 | 20.5 | 1.5Y | 1 | 33 |
| 8 4/16 | 20.9 | 2Y | 1.5 | 33.5 |
| 8 7/16 | 21.4 | 2.5Y | 2 | 34 |
| 8 9/16 | 21.8 | 3Y | 2.5 | 35 |
Related: LeBrons usually feel more cushioned and forgiving, but the Nike Cortez fit runs slimmer and less wide-foot friendly, so plan your size carefully.
Babies & Toddlers (1C – 10C)
| Age (months) | US | UK | EU | Foot Length (in) | Foot Length (cm) |
|---|---|---|---|---|---|
| 3 | 1C | 0.5 | 16 | 3 9/16 | 9.1 |
| 6 | 2C | 1.5 | 17 | 3 15/16 | 10 |
| 9 | 3C | 2.5 | 18.5 | 4 4/16 | 10.8 |
| 12 | 4C | 3.5 | 19.5 | 4 9/16 | 11.6 |
| 18 | 5C | 4.5 | 21 | 4 15/16 | 12.5 |
| 24 | 6C | 5.5 | 22 | 5 4/16 | 13.3 |
| 36 | 7C | 6.5 | 23.5 | 5 9/16 | 14.2 |
| 8C | 7.5 | 25 | 5 15/16 | 15 | |
| 9C | 8.5 | 26 | 6 4/16 | 15.9 | |
| 10C | 9.5 | 27 | 6 9/16 | 16.7 |
Nike LeBron vs Air Jordan Sizing
In my experience, Nike LeBron shoes generally fit a little more performance-oriented than Air Jordans.
Most modern LeBrons are designed for basketball first, so they often have thicker padding, stronger lockdown, and a more structured fit around the midfoot.
Air Jordans, especially retro models, tend to feel more casual and forgiving once broken in.
If you already know your Air Jordan size, you’ll usually wear the same size in most LeBrons.
For example, I wear a US 9 in most Air Jordans and also a US 9 in the LeBron 20, LeBron 21, and LeBron 22.
That said, the fit experience is different.
Air Jordans often feel roomier through the forefoot and toe box, especially models like the Jordan 3, Jordan 11, Jordan 12, and Jordan 13.
LeBrons usually wrap the foot more tightly and provide a more secure, performance-focused fit.
Which Feels Wider?
If we compare the average LeBron to the average Air Jordan:
- Air Jordans generally feel wider.
- LeBrons generally feel more secure.
- Air Jordans usually have a roomier toe box.
- LeBrons usually have more padding around the ankle and tongue.
Which Is Better for Wide Feet?
For wide-footed buyers, many Air Jordans are the safer choice.
Models like the Jordan 3, Jordan 4, Jordan 11, Jordan 12, and Jordan 13 tend to accommodate wider feet quite well.
Among LeBrons, the LeBron 20, LeBron 21, LeBron 22, and NXXT Gen are the most wide-foot-friendly options.
My Recommendation
If you wear a US 9 in Air Jordans, I would start with a US 9 in most LeBrons as well.
The main exceptions are:
- LeBron 23: Consider going down half a size.
- Witness 8: Consider going up half a size.
- Older LeBrons like the 12 and 13: Wide-footed players may prefer a half-size increase.
Overall, Air Jordans tend to provide a slightly roomier everyday fit, while LeBrons offer a more locked-in performance fit. Neither runs dramatically bigger than the other, but LeBrons usually feel more snug on foot.
How to Measure Your Feet for LeBrons
I’ve found that the best approach combines a professional measurement, a few at-home checks, and some real-world fit tests.
1. Try the LeBrons On If Possible
Nothing beats actually putting the shoe on your foot.
This is especially true with LeBrons because the fit can vary noticeably from one generation to the next. Some models feel roomier through the forefoot, while others have a tighter, more performance-oriented fit.
When trying on a pair, don’t just stand there and look in the mirror.
- Walk around.
- Jog a few steps.
- Perform a few side-to-side movements.
If the store allows it, mimic a basketball stance and make a few quick cuts.
A properly fitting LeBron should give you enough room to wiggle your toes while keeping your heel securely locked in place. Your foot shouldn’t slide forward when you stop suddenly, and your heel shouldn’t lift during movement.
That’s much more important than simply having extra space in front of your toes.
2. Get Professionally Measured Before Ordering Online
If you’re buying LeBrons online, getting measured professionally is one of the smartest things you can do.
Most running and athletic shoe stores have a Brannock device, which remains the gold standard for measuring foot size. More importantly, experienced staff can identify things that a size chart can’t.
For example:
- Wide forefoot
- Narrow heel
- High arches
- Low-volume feet
- Different-sized feet
These details matter because LeBrons often fit differently depending on your foot shape.
A player with narrow feet may love the secure fit of a LeBron 21, while a wide-footer might need to go up half a size.
3. How to Use a Brannock Device Correctly
A surprising number of people use a Brannock device incorrectly.
For the most accurate measurement:
- Stand up fully with your weight evenly distributed.
- Place your heel firmly against the back heel cup.
- Measure from your heel to your longest toe.
- Check your width measurement at the widest part of your foot.
- Repeat the process for both feet.
One important thing many people overlook is that your longest toe isn’t always your big toe. For some people, it’s actually the second toe.
You should also size based on your larger foot. Most people have one foot that’s slightly bigger than the other, and sizing for the smaller foot often leads to discomfort.
Because many LeBrons have a snug performance fit, width measurements can be just as important as length measurements.
4. How to Measure Your Feet at Home
If you don’t have access to a Brannock device, no problem.
You can get a surprisingly accurate measurement at home with nothing more than a sheet of paper, a pen, and a ruler.
Here’s how:
- Place a piece of paper on a hard floor.
- Stand on it barefoot with your full weight on your foot.
- Trace around your foot while keeping the pen vertical.
- Mark the longest toe and the back of your heel.
- Measure the distance between those points.
- Measure the widest part of your foot as well.
- Repeat for the other foot.
Once you have those measurements, compare them to the official Nike LeBron size chart.
If you’re between sizes, your foot shape should guide your decision. Wide feet usually benefit from rounding up, while narrow feet can often stay with the smaller size.
5. Don’t Forget About Basketball Socks
This sounds obvious, but it catches people all the time.
Always measure and try on LeBrons while wearing the same type of socks you plan to play in.
Basketball socks are usually thicker than everyday socks. That extra material takes up space inside the shoe and can completely change how a pair fits.
A LeBron that feels perfect in thin socks may feel too tight once you put on your game-day pair.
6. Measure Later in the Day
Your feet naturally swell as the day goes on.
That’s why I always recommend measuring your feet and trying on basketball shoes in the afternoon or evening rather than first thing in the morning.
A size that feels comfortable at 8 a.m. can feel noticeably tighter after a full day of walking, standing, or training.
7. Pay Attention to Width, Not Just Length
One of the biggest sizing mistakes people make is focusing only on length.
A shoe can be the correct length and still fit poorly if it’s too narrow.
This is particularly important with LeBrons because some models have a snug midfoot and forefoot. If your feet are naturally wide, don’t ignore width measurements just because the length looks right.
In many cases, going up half a size solves the problem.
8. Give Your LeBrons Time to Break In
Even when you choose the correct size, many LeBrons feel snug during the first few wears.
That’s normal.
The upper softens, the padding settles, and the shoe gradually molds to your foot. I usually recommend wearing them around the house or during light workouts before jumping straight into full basketball sessions.
A proper break-in period often transforms a shoe that feels tight into one that feels custom-made.
9. Use Lacing to Fine-Tune the Fit
Before assuming you bought the wrong size, experiment with the laces.
A tighter lacing pattern can improve heel lockdown and reduce movement inside the shoe. Loosening the forefoot slightly can also relieve pressure without forcing you to size up.
I’ve seen plenty of players solve minor fit issues simply by adjusting how they lace their LeBrons.
My Rule of Thumb
If you only remember one thing, remember this:
Measure both feet, wear your basketball socks, and prioritize fit during movement rather than fit while standing still.
LeBrons are built for explosive basketball movements. If they feel secure during cuts, jumps, and quick changes of direction, you’ve probably found the right size.
Nike LeBron Sizing FAQ
Do LeBrons fit true to size?
Most LeBrons fit true to size, but not every model fits exactly the same. Recent models like the LeBron 20, LeBron 21, LeBron 22, and LeBron NXXT Gen generally fit true to size for players with average-width feet. However, some models feel noticeably snugger than others, especially through the midfoot and forefoot.
If you’re between sizes or have wide feet, it’s worth checking the specific model before ordering.
Do LeBron 20 run big or small?
The LeBron 20 fits true to size for most people.
That said, it’s a performance basketball shoe with a snug fit, especially when new. Wide-footers may find it more comfortable to go up half a size, while players with narrow feet usually love the locked-in feel at their normal size.
Once broken in, the LeBron 20 becomes much more comfortable and molds nicely to your foot.
Do the LeBron 23 fit true to size?
The LeBron 23 technically fits true to size, but I found it runs slightly long.
Most players can stay true to size without any problems. However, if you have narrow or average-width feet and prefer a snug performance fit, going down half a size may provide a better lockdown experience.
Wide-footers should generally stay true to size.
Do LeBrons fit small?
Some LeBrons do.
Models like the LeBron Witness 8 and LeBron TR 1 have a snugger fit that many players find restrictive at first. Other models, such as the LeBron 20, LeBron 21, and LeBron 22, fit true to size but still have a performance-oriented shape.
The answer really depends on which LeBron you’re looking at.
How does LeBron Witness 9 fit?
The LeBron Witness 9 generally fits true to size for most players.
Like previous Witness models, it has a secure basketball-oriented fit, but it doesn’t feel overly restrictive. Players with average-width feet should be comfortable staying with their normal size, while wide-footers may want to try them on first before buying.
Should I size up or down in the LeBron 21?
Most players should stay true to size in the LeBron 21.
The fit is very similar to the LeBron 20, with a snug, performance-focused shape. If you have wide feet, wear ankle braces, or simply prefer extra room, going up half a size can improve comfort. I wouldn’t recommend sizing down.
Do LeBron 20s run true to size?
Yes. The LeBron 20 runs true to size and that’s the size I’d recommend for most players.
The shoe feels snug initially, but the upper softens up significantly after a few wears. Once broken in, the fit feels much more natural.
Does LeBron Witness 8 run small?
Yes, slightly.
The heavily padded collar pushes your foot forward more than expected, which creates a snugger fit than the size label suggests. For that reason, I’d recommend going up half a size in the Witness 8, especially if you wear orthotics or ankle braces.
Do LeBron 22s run big or small?
The LeBron 22 runs true to size.
It fits very similarly to the LeBron 21, although the toe box feels slightly more relaxed and forgiving. Most players should stick with the same size they wear in the LeBron 21.
Are LeBrons good for wide feet?
Some are, and some aren’t.
If you have wide feet, models like the LeBron 22, LeBron 20 (half size up), and LeBron 23 tend to work fairly well. The LeBron NXXT Gen can also work if you go up half a size.
Models like the LeBron TR 1 and certain LeBron 21 versions may feel too restrictive for wider feet.
Is it better to size up or down for basketball shoes?
In most cases, it’s safer to size up than size down.
Basketball shoes need enough room for your feet to expand during games, and a shoe that’s too short can quickly become uncomfortable. That said, you don’t want excessive length either because it can affect lockdown and stability.
A good basketball fit should feel snug around the midfoot and heel while leaving a small amount of space in front of your toes. For most players, that’s usually achieved by sticking with their true size unless the model is known to run small.
Final Thoughts
If you only remember one thing from this Nike LeBron sizing guide, remember this: most Nike LeBron models fit true to size.
For the majority of people, sticking with your regular Nike size will give you the best fit. The biggest exceptions are the LeBron 23, which I would size down half a size in, and the Witness 8, which I would size up half a size in.
If you have wide feet, the LeBron 20, LeBron 21, LeBron 22, and NXXT Gen are the models I’d recommend first. They offer the best balance of comfort, lockdown, and forefoot room without forcing you to size up.
As always, fit can vary slightly depending on your foot shape and how you like your shoes to feel. Some players prefer a snug, game-ready fit, while others want a little extra room for all-day comfort.
That’s why I created the free LeBron Sizing Cheat Sheet. It gives you a quick reference for every major LeBron model so you can find the right size in seconds.
Download My Free LeBron Sizing Cheat Sheet (1–23)
Get a printable one-page PDF with my sizing recommendations for every major LeBron model, including which pairs fit true to size, which run small, and which are best for wide feet.
Hopefully, this LeBron sizing guide helped you avoid the sizing guesswork and find the LeBron that fits you best.