A US men’s 10.5 is a US women’s 12 with the common 1.5-size gap used by most sneaker brands. That is UK 9.5, EU 44.5, about 27.5 cm foot length.
| US | UK | EU | Foot (cm) | |
|---|---|---|---|---|
| Men’s | 10.5 | 9.5 | 44.5 | 27.5 |
| Women’s | 12 |
UK and EU sizes are usually unisex, so they stay the same — only the US number changes. Check the men’s chart.