size chart:

37-38 (suitable for 35-36)-------sole length 25cm, suitable foot length 23-23.5cm

39-40 (suitable for 37-38)-------sole length 26cm, suitable for foot length 24-24.5cm

41-42 (suitable for 39-40)-------sole length 27cm, suitable foot length 25-25.5cm

43-44 (suitable for 41-42)-------sole length 28cm, suitable foot length 26-26.5cm