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)
US 6.5 = EU 39 =foot length 24.5 cm US 7 = EU 40 =foot length 25 cm US 8 = EU 41 =foot length 25.5 cm US 8.5 = EU 42 =foot length 26 cm US 9.5 = EU 43 =foot length 26.5 cm US 10 = EU 44 =foot length 27 cm
(All measurement in cm and please note 1cm=0.39inch)