US size 5 = EUR 36 =Fit For foot length 23.0 cm
US size 5.5 = EUR 37 =Fit For foot length 23.5 cm
US size 6 = EUR 38 =Fit For foot length 24.0 cm
US size 6.5 = EUR 39 =Fit For foot length 24.5 cm
US size 7 = EUR 40 = Fit For foot length 25.0 cm
US size 8 = EUR 41 = Fit For foot length 25.5 cm
US size 8.5 = EUR 42 =Fit For foot length 26.0 cm
US size 9 = EUR 43 = Fit For foot length 26.5 cm
US size 10 = EUR 44 = Fit For foot length 27.0 cm
US size 11 = EUR 45 = Fit For foot length 27.5 cm
If your foot is thick or wide,we will suggest you choose one size larger.Due to different monitor, there may be color difference.If you want make a very correct choice you should choose by the size chart at the image !!