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 38 = US 7 =foot length 24 Cm =9.3inch
EU 39 = US 7.5 =foot length 24.5 CM =9.5inch
EU 40 = US 8 =foot length 25 CM =9.7inch
EU 41 = US 8.5 =foot length 25.5 CM =9.9inch
EU 42 = US 9 =foot length 26 CM =10.1inch
EU 43 = US 9.5 =foot length 26.5 CM =10.3inch
EU 44 = US 10 =foot length 27 Cm =10.5inch

(All measurement in cm and please note 1cm=0.39inch)