Measure your foot length first Please measure your foot length clearly and compare the details with the size table before you select the size.Thanks. US4=CHINA34=Footlength22cm US4.5=CHINA35=Footlength22.5cm US5.5=CHINA36=Footlength23cm US6=CHINA37=Footlength23.5cm US7=CHINA38= Footlength24cm US8=CHINA39= Footlength24.5cm US8.5=CHINA40= Footlength25cm US9.5=CHINA41= Footlength25.5cm US10=CHINA42= Footlength26cm US11=CHINA43= Footlength26.5cm US12=CHINA44= Footlength27cm US13=CHINA45= Footlength27.5cm US13.5=CHINA46= Footlength28cm US14=CHINA47= Footlength28.5cm US15=CHINA48= Footlength29cm Tips: 1) The size you select is US size ,not UK size. 2)If your foot is fat and wide, Please select a bigger size. 3)China Size is usually smaller than EUR size. 4)If you dont know how to select ,tell us your foot length. 5)There is color difference because of different screen.