A US men’s 6.5 is a US women’s 8 with the common 1.5-size gap used by most sneaker brands. That is UK 6, EU 39, about 24.1 cm foot length.
| US | UK | EU | Foot (cm) | |
|---|---|---|---|---|
| Men’s | 6.5 | 6 | 39 | 24.1 |
| Women’s | 8 |
UK and EU sizes are usually unisex, so they stay the same — only the US number changes. Check the men’s chart.