Hi,Dear value customers!Please choose size according to the foot length, please do not use the insole length.For example,if your foot length (Heel to Toe) is 26.5cm, please choose size 8.5=42 in this model.
Size 6.5=38 fit for foot length is 24.5cm.
Size 7=39 fit for foot length is 25cm.
Size 7.5=40 fit for foot length is 25.5cm.
Size 8=41 fit for foot length is 26cm.
Size 8.5=42 fit for foot length is 26.5cm.
Size 9.5=43 fit for foot length is 27cm.
Size 10=44 fit for foot length is 27.5cm.
Size 11= 45 fit for foot length is 28cm.
Size 12=46 fit for foot length is 28.5cm.
Size 13=47 fit for foot length is 29cm.
Size 14=48 fit for foot length is 29.5cm.
Size 15=49 fit for foot length is 30cm.