Because US shoe size and China shoe size is not completely equal, so the following shoe size is only for reference:(Best selection method: check foot length) EU 35 = US 4.5 =foot length 22-22.5 CM EU 36 = US 5 =foot length 22.5-23 CM EU 37 = US 5.5 =foot length 23-23.5 CM EU 38 = US 6 =foot length 23.5-24 Cm EU 39 = US 6.5 =foot length 24-24.5 CM EU 40 = US 7 =foot length 24.5-25 CM EU 41 = US 8 =foot length 25-25.5 CM EU 42 = US 8.5 =foot length 25.5-26 CM EU 43 = US 9.5 =foot length 26-27 CM EU 44 = US 10 =foot length 27-28 Cm EU 45 = US 11 =foot length 28-28.5 Cm EU 46 = US 11.5 =foot length 28.5-29 Cm (All measurement in cm and please note 1cm=0.39inch) For Example,If your foot length is 25.3cm,You should choose US size8. Kindly Reminder:The shoes size is based on European size and the real foot length. If you are not sure your foot length,please measure your foot length according to follow methods.