Nike Air Force 1 '07 vs Nike React Infinity Run 4 Sizing
Nike Air Force 1 '07 vs Nike React Infinity Run 4: side-by-side fit, toe-box width and the exact size to order in each — Nike Air Force 1 '07 runs bigger. Free interactive sizing comparison.
Should you size up from the Nike Air Force 1 '07 to the Nike React Infinity Run 4?
Yes — size up a half size. If you wear a US 10 in the Air Force 1 '07, order about a US 10.5 in the React Infinity Run 4.
How they compare
Nike Air Force 1 '07 → Nike React Infinity Run 4: The Nike Air Force 1 '07 runs about a half-size large, similar in width to the Nike React Infinity Run 4. If you wear a US 10 in the Air Force 1 '07, your target size for the React Infinity Run 4 is US 10.5.
Nike React Infinity Run 4 → Nike Air Force 1 '07: The Nike React Infinity Run 4 runs true to size, similar in width to the Nike Air Force 1 '07. If you wear a US 10 in the React Infinity Run 4, your target size for the Air Force 1 '07 is US 9.5.
Spec comparison
| Spec | Nike Air Force 1 '07 | Nike React Infinity Run 4 |
|---|---|---|
| Length Fit | Runs Large (~½ size) | True to Size |
| Toe Box Profile | Wide | Wide |
| Arch Support | Moderate | High |
| Upper Material | Stiff Leather | Flyknit |
Size conversion: Nike Air Force 1 '07 → Nike React Infinity Run 4
If you wear these US sizes in the Air Force 1 '07, here is the size to order in the React Infinity Run 4.
| Your US size in Air Force 1 '07 | Recommended React Infinity Run 4 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 Force 1 '07 or the Nike React Infinity Run 4?
The Nike Air Force 1 '07 runs longer than the Nike React Infinity Run 4 — it is large, so size accordingly when moving between them.
If I wear a US 10 in the Air Force 1 '07, what size is the React Infinity Run 4?
Target a US 10.5 in the React Infinity Run 4. A US 9 in the Air Force 1 '07 maps to about US 9.5, and a US 11 to about US 11.5.
Is the Air Force 1 '07 wider than the React Infinity Run 4?
The Nike Air Force 1 '07 has a similar toe box width versus the Nike React Infinity Run 4 (wide vs wide). Forefoot room is one of the biggest reasons two shoes at the same length still feel different.
How do the Air Force 1 '07 and React Infinity Run 4 compare on support and material?
The Air Force 1 '07 pairs moderate arch support with a stiff leather upper; the React Infinity Run 4 has high support and a flyknit upper.
Try it: adjust the size and compare live
Verdict
The Nike Air Force 1 '07 runs about a half-size large, similar in width to the Nike React Infinity Run 4. If you wear a US 10 in the Air Force 1 '07, your target size for the React Infinity Run 4 is US 10.5.
| Spec | Nike Air Force 1 '07 | Nike React Infinity Run 4 |
|---|---|---|
| Length Fit | Runs Large (~½ size) | True to Size |
| Toe Box Profile | Wide | Wide |
| Arch Support | Moderate | High |
| Upper Material | Stiff Leather | Flyknit |