US Size 6.5=24cm-24.5cm Foot Length US size 7=24.5cm-25cm Foot Length US Size 8=25cm-25.5cm Foot Length US Size 8.5=25.5cm-26cm Foot Length US Size 9.5=26cm-26.5cm Foot Length US Size 10=26.5cm-48cm Foot Length This shoes carry with Chinese size, Maybe you can see our size chart , Please measure your feet long .To help you choose correct suitable size easily, we have convert into US size for your selection. PS:We suggest that you can get a bigger size if your feets are wide.Thanks for your shopping.