Hi,Dear value customers! we advising you can choose size according your foot length in our size table.

For example, if your foot length (Heel to Toe) is 26.5 cm,please choose size 8.5=42 in this model.

Size 38    fit for foot length is 24.5cm.
Size 39    fit for foot length is 25cm.
Size 40    fit for foot length is 25.5cm.
Size 41    fit for foot length is 26cm.
Size 42    fit for foot length is 26.5cm.
Size 43    fit for foot length is 27cm.
Size 44    fit for foot length is 27.5cm.
Size 45    fit for foot length is 28cm
Size 46    fit for foot length is 28.5cm.
Size 47    fit for foot length is 29cm.
Size 48    fit for foot length is 29.5cm.