Adidas Samba OG vs Nike React Infinity Run 4 Sizing
Adidas Samba OG 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 Adidas Samba OG and Nike React Infinity Run 4 take the same size?
Yes — keep your usual size. A US 10 in the Samba OG is about a US 10 in the React Infinity Run 4.
How they compare
Adidas Samba OG → Nike React Infinity Run 4: The Adidas Samba OG runs true to size and has a much narrower toe box compared to the Nike React Infinity Run 4. Your US 10 in the Samba OG translates to the same size in the React Infinity Run 4.
Nike React Infinity Run 4 → Adidas Samba OG: The Nike React Infinity Run 4 runs true to size and has a much wider toe box compared to the Adidas Samba OG. Your US 10 in the React Infinity Run 4 translates to the same size in the Samba OG.
Spec comparison
| Spec | Adidas Samba OG | Nike React Infinity Run 4 |
|---|---|---|
| Length Fit | True to Size | True to Size |
| Toe Box Profile | Narrow | Wide |
| Arch Support | Low / Flat | High |
| Upper Material | Soft Suede/Leather | Flyknit |
Size conversion: Adidas Samba OG → Nike React Infinity Run 4
If you wear these US sizes in the Samba OG, here is the size to order in the React Infinity Run 4.
| Your US size in Samba OG | 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 Adidas Samba OG or the Nike React Infinity Run 4?
The Adidas Samba OG 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 Samba OG, what size is the React Infinity Run 4?
Target a US 10 in the React Infinity Run 4. A US 9 in the Samba OG maps to about US 9, and a US 11 to about US 11.
Is the Samba OG wider than the React Infinity Run 4?
The Adidas Samba OG 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 Samba OG and React Infinity Run 4 compare on support and material?
The Samba OG pairs low / flat arch support with a soft suede/leather upper; the React Infinity Run 4 has high support and a flyknit upper.
Try it: adjust the size and compare live
Verdict
The Adidas Samba OG runs true to size and has a much narrower toe box compared to the Nike React Infinity Run 4. Your US 10 in the Samba OG translates to the same size in the React Infinity Run 4.
| Spec | Adidas Samba OG | Nike React Infinity Run 4 |
|---|---|---|
| Length Fit | True to Size | True to Size |
| Toe Box Profile | Narrow | Wide |
| Arch Support | Low / Flat | High |
| Upper Material | Soft Suede/Leather | Flyknit |