Foot length 23-24cm / 9.06-9.44in = Size 36/37

Foot length 24-25cm / 9.44-9.84in = Size 38/39

Foot length 25-26cm / 9.84-10.24in = Size 40/41

Foot length 26-27cm / 10.24-10.63in = Size 42/43

Foot length 27-28cm / 10.63-11.02in = Size 44/45