Nike Air Max 90 vs Brooks Ghost 15 Sizing
Nike Air Max 90 vs Brooks Ghost 15: 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 up from the Nike Air Max 90 to the Brooks Ghost 15?
Yes — size up a half size. If you wear a US 10 in the Air Max 90, order about a US 10.5 in the Ghost 15.
How they compare
Nike Air Max 90 → Brooks Ghost 15: The Nike Air Max 90 runs about a half-size large and has a slightly narrower toe box compared to the Brooks Ghost 15. If you wear a US 10 in the Air Max 90, your target size for the Ghost 15 is US 10.5.
Brooks Ghost 15 → Nike Air Max 90: The Brooks Ghost 15 runs true to size and has a slightly wider toe box compared to the Nike Air Max 90. If you wear a US 10 in the Ghost 15, your target size for the Air Max 90 is US 9.5.
Spec comparison
| Spec | Nike Air Max 90 | Brooks Ghost 15 |
|---|---|---|
| Length Fit | Runs Large (~½ size) | True to Size |
| Toe Box Profile | Standard | Wide |
| Arch Support | Moderate | High |
| Upper Material | Leather/Mesh | Mesh |
Size conversion: Nike Air Max 90 → Brooks Ghost 15
If you wear these US sizes in the Air Max 90, here is the size to order in the Ghost 15.
| Your US size in Air Max 90 | Recommended Ghost 15 size |
|---|---|
| US 8 | US 8.5 |
| US 9 | US 9.5 |
| US 10 | US 10.5 |
| US 11 | US 11.5 |
| US 12 | US 12.5 |
Frequently asked questions
Which runs bigger, the Nike Air Max 90 or the Brooks Ghost 15?
The Nike Air Max 90 runs longer than the Brooks Ghost 15 — it is large, so size accordingly when moving between them.
If I wear a US 10 in the Air Max 90, what size is the Ghost 15?
Target a US 10.5 in the Ghost 15. A US 9 in the Air Max 90 maps to about US 9.5, and a US 11 to about US 11.5.
Is the Air Max 90 wider than the Ghost 15?
The Nike Air Max 90 has a slightly narrower toe box versus the Brooks Ghost 15 (standard vs wide). Forefoot room is one of the biggest reasons two shoes at the same length still feel different.
How do the Air Max 90 and Ghost 15 compare on support and material?
The Air Max 90 pairs moderate arch support with a leather/mesh upper; the Ghost 15 has high support and a mesh upper.
Try it: adjust the size and compare live
Verdict
The Nike Air Max 90 runs about a half-size large and has a slightly narrower toe box compared to the Brooks Ghost 15. If you wear a US 10 in the Air Max 90, your target size for the Ghost 15 is US 10.5.
| Spec | Nike Air Max 90 | Brooks Ghost 15 |
|---|---|---|
| Length Fit | Runs Large (~½ size) | True to Size |
| Toe Box Profile | Standard | Wide |
| Arch Support | Moderate | High |
| Upper Material | Leather/Mesh | Mesh |