Dear friend, please choose the item according to your foot length. If your foot is wide or thick, we suggest you choose one size larger. ​Shoe length 23.3-23.6(cm) = Size 35-36 ​Shoe length 24.3-24.6(cm) = Size 37-38 ​Shoe length 25.3-25.6(cm) = Size 39-40 ​Shoe length 25.7-26.1(cm) = Size 40-41 ​Shoe length 26.7-27.1(cm) = Size 42-43 [...]