Vans Authentic vs Nike React Infinity Run 4 Sizing
Vans Authentic vs Nike React Infinity Run 4: side-by-side fit, toe-box width and the exact size to order in each — they fit the same length. Free interactive sizing comparison.
Do the Vans Authentic and Nike React Infinity Run 4 take the same size?
Yes — keep your usual size. A US 10 in the Authentic is about a US 10 in the React Infinity Run 4.
How they compare
Vans Authentic → Nike React Infinity Run 4: The Vans Authentic runs true to size and has a much narrower toe box compared to the Nike React Infinity Run 4. Your US 10 in the Authentic translates to the same size in the React Infinity Run 4.
Nike React Infinity Run 4 → Vans Authentic: The Nike React Infinity Run 4 runs true to size and has a much wider toe box compared to the Vans Authentic. Your US 10 in the React Infinity Run 4 translates to the same size in the Authentic.
Spec comparison
| Spec | Vans Authentic | Nike React Infinity Run 4 |
|---|---|---|
| Length Fit | True to Size | True to Size |
| Toe Box Profile | Narrow | Wide |
| Arch Support | None | High |
| Upper Material | Canvas | Flyknit |
Size conversion: Vans Authentic → Nike React Infinity Run 4
If you wear these US sizes in the Authentic, here is the size to order in the React Infinity Run 4.
| Your US size in Authentic | Recommended React Infinity Run 4 size |
|---|---|
| US 8 | US 8 |
| US 9 | US 9 |
| US 10 | US 10 |
| US 11 | US 11 |
| US 12 | US 12 |
Frequently asked questions
Which runs bigger, the Vans Authentic or the Nike React Infinity Run 4?
The Vans Authentic and Nike React Infinity Run 4 fit the same in length — both are true to size — so you can keep your usual size moving between them.
If I wear a US 10 in the Authentic, what size is the React Infinity Run 4?
Target a US 10 in the React Infinity Run 4. A US 9 in the Authentic maps to about US 9, and a US 11 to about US 11.
Is the Authentic wider than the React Infinity Run 4?
The Vans Authentic has a much narrower toe box versus the Nike React Infinity Run 4 (narrow vs wide). Forefoot room is one of the biggest reasons two shoes at the same length still feel different.
How do the Authentic and React Infinity Run 4 compare on support and material?
The Authentic pairs none arch support with a canvas upper; the React Infinity Run 4 has high support and a flyknit upper.
Try it: adjust the size and compare live
Verdict
The Vans Authentic runs true to size and has a much narrower toe box compared to the Nike React Infinity Run 4. Your US 10 in the Authentic translates to the same size in the React Infinity Run 4.
| Spec | Vans Authentic | Nike React Infinity Run 4 |
|---|---|---|
| Length Fit | True to Size | True to Size |
| Toe Box Profile | Narrow | Wide |
| Arch Support | None | High |
| Upper Material | Canvas | Flyknit |