A US men’s 9 is a US women’s 10.5 with the common 1.5-size gap used by most sneaker brands. That is UK 8, EU 42.5, about 26.2 cm foot length.
| US | UK | EU | Foot (cm) | |
|---|---|---|---|---|
| Men’s | 9 | 8 | 42.5 | 26.2 |
| Women’s | 10.5 |
UK and EU sizes are usually unisex, so they stay the same — only the US number changes. Check the men’s chart.