For example, if your foot length (Heel to Toe) is 26.7cm,please choose size 42 in this model.
Size 36   fit for foot length is 22.7cm.
Size 37   fit for foot length is 23.3cm.
Size 38   fit for foot length is 24.0cm.
Size 39   fit for foot length is 24.7cm.
Size 40   fit for foot length is 25.3cm.
Size 41   fit for foot length is 26.0cm.
Size 42   fit for foot length is 26.7cm.
Size 43   fit for foot length is 27.3cm.
Size 44   fit for foot length is 28.0cm.
Size 45   fit for foot length is 28.7cm.
Size 46   fit for foot length is 29.3cm.
Size 47   fit for foot length is 30.0cm.