A US men’s 11.5 is a US women’s 13 with the common 1.5-size gap used by most sneaker brands. That is UK 10.5, EU 45.5, about 28.3 cm foot length.
| US | UK | EU | Foot (cm) | |
|---|---|---|---|---|
| Men’s | 11.5 | 10.5 | 45.5 | 28.3 |
| Women’s | 13 |
UK and EU sizes are usually unisex, so they stay the same — only the US number changes. Check the men’s chart.