Adidas Stan Smith vs Nike Air Max 90 Sizing
Adidas Stan Smith vs Nike Air Max 90: side-by-side fit, toe-box width and the exact size to order in each — Nike Air Max 90 runs bigger. Free interactive sizing comparison.
Should you size down from the Adidas Stan Smith to the Nike Air Max 90?
Yes — size down a half size. If you wear a US 10 in the Stan Smith, order about a US 9.5 in the Air Max 90.
How they compare
Adidas Stan Smith → Nike Air Max 90: The Adidas Stan Smith runs true to size, similar in width to the Nike Air Max 90. If you wear a US 10 in the Stan Smith, your target size for the Air Max 90 is US 9.5.
Nike Air Max 90 → Adidas Stan Smith: The Nike Air Max 90 runs about a half-size large, similar in width to the Adidas Stan Smith. If you wear a US 10 in the Air Max 90, your target size for the Stan Smith is US 10.5.
Spec comparison
| Spec | Adidas Stan Smith | Nike Air Max 90 |
|---|---|---|
| Length Fit | True to Size | Runs Large (~½ size) |
| Toe Box Profile | Standard | Standard |
| Arch Support | Low / Flat | Moderate |
| Upper Material | Leather | Leather/Mesh |
Size conversion: Adidas Stan Smith → Nike Air Max 90
If you wear these US sizes in the Stan Smith, here is the size to order in the Air Max 90.
| Your US size in Stan Smith | Recommended Air Max 90 size |
|---|---|
| US 8 | US 7.5 |
| US 9 | US 8.5 |
| US 10 | US 9.5 |
| US 11 | US 10.5 |
| US 12 | US 11.5 |
Frequently asked questions
Which runs bigger, the Adidas Stan Smith or the Nike Air Max 90?
The Nike Air Max 90 runs longer than the Adidas Stan Smith. The Stan Smith is the snugger of the two, so you may want extra length going the other way.
If I wear a US 10 in the Stan Smith, what size is the Air Max 90?
Target a US 9.5 in the Air Max 90. A US 9 in the Stan Smith maps to about US 8.5, and a US 11 to about US 10.5.
Is the Stan Smith wider than the Air Max 90?
The Adidas Stan Smith has a similar toe box width versus the Nike Air Max 90 (standard vs standard). Forefoot room is one of the biggest reasons two shoes at the same length still feel different.
How do the Stan Smith and Air Max 90 compare on support and material?
The Stan Smith pairs low / flat arch support with a leather upper; the Air Max 90 has moderate support and a leather/mesh upper.
Try it: adjust the size and compare live
Verdict
The Adidas Stan Smith runs true to size, similar in width to the Nike Air Max 90. If you wear a US 10 in the Stan Smith, your target size for the Air Max 90 is US 9.5.
| Spec | Adidas Stan Smith | Nike Air Max 90 |
|---|---|---|
| Length Fit | True to Size | Runs Large (~½ size) |
| Toe Box Profile | Standard | Standard |
| Arch Support | Low / Flat | Moderate |
| Upper Material | Leather | Leather/Mesh |