Does the Nike Air Max 90 Run Big or Small?
The Nike Air Max 90 (Lifestyle) runs about a half-size large with a standard toe box. See the US/UK/EU/CM conversion chart and what size to order.
How the Air Max 90 fits
The Nike Air Max 90 (Lifestyle) runs about a half-size large. Compared with a true-to-size sneaker, we recommend going down a half size from your usual. It has a standard toe box and moderate arch support, with a leather/mesh upper that shapes how the fit settles over time.
Air Max 90 fit specs
| Category | Lifestyle |
| Length Fit | Runs Large (~½ size) |
| Toe Box Profile | Standard |
| Arch Support | Moderate |
| Upper Material | Leather/Mesh |
Size conversion chart
US, UK, EU and centimetre equivalents. Use it alongside the fit note above to land the right size in the Air Max 90.
| US | UK | EU | CM |
|---|---|---|---|
| 4 | 3 | 36 | 22 |
| 4.5 | 3.5 | 36.5 | 22.5 |
| 5 | 4 | 37 | 23 |
| 5.5 | 4.5 | 37.5 | 23.5 |
| 6 | 5 | 38 | 24 |
| 6.5 | 5.5 | 38.5 | 24.5 |
| 7 | 6 | 39 | 25 |
| 7.5 | 6.5 | 40 | 25.5 |
| 8 | 7 | 41 | 26 |
| 8.5 | 7.5 | 41.5 | 26.5 |
| 9 | 8 | 42 | 27 |
| 9.5 | 8.5 | 42.5 | 27.5 |
| 10 | 9 | 43 | 28 |
| 10.5 | 9.5 | 44 | 28.5 |
| 11 | 10 | 44.5 | 29 |
| 11.5 | 10.5 | 45 | 29.5 |
| 12 | 11 | 46 | 30 |
| 12.5 | 11.5 | 46.5 | 30.5 |
| 13 | 12 | 47 | 31 |
| 13.5 | 12.5 | 47.5 | 31.5 |
| 14 | 13 | 48 | 32 |
| 14.5 | 13.5 | 48.5 | 32.5 |
| 15 | 14 | 49 | 33 |
Frequently asked questions
Does the Nike Air Max 90 run big or small?
The Nike Air Max 90 runs about a half-size large. Compared with a true-to-size sneaker, we recommend going down a half size from your usual.
What size should I get in the Nike Air Max 90?
If you normally wear a US 10, target a US 9.5 in the Air Max 90. A US 9 foot maps to about US 8.5 and a US 11 to about US 10.5, because the model runs about a half-size large.
Is the Nike Air Max 90 wide or narrow?
It has a standard toe box, a neutral width that suits most feet. Upper material is leather/mesh, which affects how much it gives over time.
What kind of arch support does the Nike Air Max 90 have?
Arch support is rated moderate on the Air Max 90 (Lifestyle). It offers a balanced, everyday level of support.
Compare the Air Max 90 to another shoe
Select both shoes to see your sizing verdict
| Spec | Nike Air Max 90 | Shoe B |
|---|---|---|
| Length Fit | Runs Large (~½ size) | — |
| Toe Box Profile | Standard | — |
| Arch Support | Moderate | — |
| Upper Material | Leather/Mesh | — |