US 6= CN 37= foot length 23.5cm
US 6.5 = CN 38 = foot length 24cm
US 7 = CN 39 = foot length 24.5cm
US 7.5 = CN 40 = foot length 25cm
US 8 = CN 41 = foot length 25.5cm
US 8.5 = CN 42 = foot length 26cm
US 9 = CN 43 = foot length 26.5cm
US 9.5 = CN 44 = foot length 27cm
