Important Notice: Foot length is not the insole length. Foot length is not the outsole length. Foot length Insole Length Outsole Length EUR size 35=Chinese size 225=US size4.5=Foot Length22.5cm EUR size 36=Chinese size 230=US size 5= Foot Length 23 cm EUR size 37=Chinese size 235=US size5.5 = Foot Length 23.5cm EUR size 38=Chinese size 240=US size 6=Foot Length 24 cm EUR size 39=Chinese size 245=US size6.5 = Foot Length 24.5 cm EUR size 40=Chinese size 250=US size 7 = Foot Length 25 cm EUR size 41=Chinese size 255=US size 8= Foot Length 25.5 cm EUR size 42=Chinese size 260=US size8.5= Foot Length 26 cm The shoes` size maybe not fit the standard of your country, please measure your foot length,and choose the right shoes` size! "EUR" Size is only for reference, only trust the foot length!