Welcome to our store Dear customer,please pay attention to the shoes size information,Please note: choose the shoes size according to your foot length, But the length of the feet is not the length of the insole or the shoes. The length of the insole is definitely Larger than the length of the foot. Please understand. shoes size US size 6.5 = EUR 39 =Fit For foot length 24.1-24.5 cm US size 7 = EUR 40 = Fit For foot length 24.6-25.0 cm US size 8 = EUR 41 = Fit For foot length 25.1-25.5 cm US size 8.5 = EUR 42 =Fit For foot length 25.6-26.0 cm US size 9 = EUR 43 = Fit For foot length 26.1-26.5 cm US size 10 = EUR 44 = Fit For foot length 26.6-27.0 cm US size 11 = EUR 45 = Fit For foot length 27.1-27.5 cm If you want make a very correct choice you should choose by the size chart at the image !!