Brand Size Comparisons

Common questions

If I wear Nike 9, what size is Adidas?

Nike usually runs about half a size small, while Adidas is closer to true to size. A Nike US 9 often maps to Adidas US 9 at the same foot length. Check the Nike vs Adidas comparison for the full table.

What size New Balance equals Nike 9?

New Balance often runs larger than Nike. A Nike US 9 typically lands around New Balance US 8.5 to 9, depending on the model and width.

Why do brand sizes differ if they all use US sizing?

US size labels are not exact foot-length specifications. Each brand builds its last differently, so the same label can fit different real foot lengths.

Adidas vs Nike sizing - which runs bigger?

Adidas usually fits larger than Nike. If you normally wear Adidas 9, Nike 9.5 is often the safer starting point.