Nike LeBron Sizing: Do LeBrons Run Big, Small or True to Size?

Most Nike LeBrons fit true to size, so order your usual Nike size and check the exceptions. The LeBron 23 can run slightly long, the Witness 8 runs small, and several recent models feel snug across the midfoot for wide feet.

LeBrons are big, cushioned basketball shoes, and that bulk can hide how tight they are. The length is rarely the problem. Width, ankle padding and the way the upper breaks in are what decide whether a pair works. Here is a practical guide by model.

Quick fit table by model

These are the common recommendations from wearers and reviewers, and they are a starting point rather than a guarantee.

• LeBron 23: runs slightly long; true size for most, half a size down for narrow or average feet that like a close fit.
• LeBron 22: true to size, with a roomier toe box than the 21 but slightly narrow through the forefoot.
• LeBron 21: true to size; the leather version feels snugger.
• LeBron 20: true to size with a snug midfoot that loosens with wear.
• LeBron NXXT Gen: true to size but very snug.
• LeBron TR 1: true to size if you want a sock-like fit; half a size up for room.
• LeBron Witness 7: true to size with a slightly roomy toe box.
• LeBron Witness 8: runs small; half a size up.
• LeBron Witness 9: true to size with a secure fit.

Why length is usually easy and width is not

If you have worn a Nike basketball shoe before, your size will probably carry over. The sizing is consistent enough that most people can take their normal number without much thought. The trouble starts when your foot is wider than average, because LeBrons hold the midfoot firmly and have generous ankle padding that takes up internal space.

The result is a shoe that is long enough but feels pinched at the ball of the foot or around the instep. Sizing up half a size can help, but it does not always add enough width, and it can leave the heel loose. Width is why the same size can feel perfect in one LeBron and uncomfortable in the next.

Recent models, one at a time

LeBron 23

The 23 runs slightly long. Most people can wear their true size without issue, and those with narrow or average feet may prefer half a size down. Width is described as fairly accommodating, so wide feet can often stay at true size. This is a change from several earlier models.

LeBron 22 and 21

Both are true to size. The 22 is similar to the 21 with a roomier toe box, though it is described as slightly narrow through the forefoot. On the 21, the leather version feels snugger, and wide feet or anyone wearing an ankle brace may want half a size up. The 21 Prime 93 has a stiffer upper that softens after several wears, while the Prime 96 uses a softer, more flexible upper with less break-in.

LeBron 20

True to size, with a snug midfoot that loosens as you wear it. Wide feet may need half a size up. The Pink Diamond is also true to size, though narrow feet might consider half a size down after break-in. The All-Star version has a knit upper that feels roomier, and one reviewer went up half a size for casual wear. For playing, true size is the safer call.

NXXT Gen and TR 1

The NXXT Gen is true to size but very snug, and wide or semi-wide feet should consider half a size up. The TR 1 suits people who want a tight, sock-like feel at true size. If you need more room, go up half a size, and be careful if your feet are very wide.

Witness line

The Witness is a separate family and does not fit like the numbered LeBrons. The Witness 8 runs small and snug, and the padded collar pushes the foot forward, so half a size up is the usual advice. The Witness 7 is true to size with a slightly roomy toe box, so going down is not recommended. The Witness 9 is true to size with a secure fit, and wide feet should try it before buying.

Wide feet and very wide feet

For wide feet, the models most likely to feel snug are the LeBron 20, 21, NXXT Gen, TR 1 and Witness 8. Half a size up may solve it. For very wide feet, be careful with the same group, because a half size may not add enough width, and the shoe might simply feel long and tight. In that case, the LeBron 23 is the more promising pick, and the Witness 7 may be more relaxed.

Narrow feet have the opposite situation. They usually do fine at true size in most models, and the 23 is the one where going half a size down makes sense. Our wide feet guide goes deeper on how width works, and the shoe width chart shows how widths are labeled.

How LeBrons compare with other Nikes

• Air Jordan: one reviewer wears the same size in Jordans and in the LeBron 20, 21 and 22. Jordans offer more toe room and are generally friendlier to wide feet, while LeBrons hold the midfoot tighter and have more ankle padding. See the Air Jordan sizing guide.
• Kobe: Kobes sit closer around the foot, especially in the forefoot, so the same size does not always carry over. Our Nike Kobe sizing guide explains the differences.
• Everyday Nikes: LeBrons usually feel tighter than lifestyle sneakers at the same size.

For older models, such as the LeBron 12 and 13, wide feet are advised to try half a size up. Data for older pairs is thinner, so treat that as a loose guide.

Break-in and materials

The fit of a LeBron changes as the upper softens. A stiff upper, like the 21 Prime 93, feels tight for the first few wears and then eases. A softer upper, like the Prime 96, needs little break-in. Leather versions are less forgiving than knit versions.

The practical lesson: judge the shoe after a few wears, not on the first try. If it hurts on the sides after a week, size up. If it only feels snug at the midfoot, let it break in before deciding.

Sizing up versus sizing down: the trade-offs

Going half a size up buys you toe room and a little volume. The cost is a looser heel, and in a shoe designed to lock the foot down for cutting and landing, that can matter. If you do go up, lace the shoe through every eyelet and use the top lockdown if it has one. A thin insole swap can also take up some of the extra space.

Going half a size down is rarer. It only makes sense in a model that runs long, like the LeBron 23, and only if your feet are narrow or average. In any other model, a smaller size risks pressure on the toes during hard stops. When in doubt, a standard LeBron at true size is the dependable choice, and our half-size difference guide explains how much a half size really changes.

Men's and women's sizing

A Nike women's size is 1.5 above the men's number for the same foot. A men's 9 equals a women's 10.5. LeBrons are mostly sold in men's and youth sizes, so work in men's sizes first. If you wear a women's 8.5, that is a men's 7 foot-wise, and you should shop men's 7 in a standard LeBron. The men's to women's size guide has the full conversion.

Nike men's size chart

Match your measured foot to the closest row. The foot length column is the real foot length for that size. CM (JP) is the box label, which runs longer than the foot.

For example, a 27.1 cm foot is a men's US 10. In most LeBrons, order a 10. In a Witness 8, try a 10.5 (28.5 CM on the box). Check your measurement with our foot measuring guide.

Which size to buy if you are unsure

If you are between sizes and your feet are narrow or average, choose the smaller one in a standard LeBron, because the heavy padding settles in. If your feet are wide or you wear a brace, choose the larger one. If the model is a Witness 8, the NXXT Gen or the TR 1, lean larger. For the 23, lean smaller.

Our recommendation

Go true to size in most LeBrons, half a size down in the 23 if you have narrow or average feet, and half a size up in the Witness 8, the NXXT Gen and the TR 1 if your feet are on the wider side. Try shoes on late in the day with the socks you plan to wear. For the bigger picture, see our Nike sizing guide and our page on how basketball shoes should fit.