US size 6.5 = Eur size 39 = fit foot lenth 24.5cm9.6inch
US size 7 = Eur size 40 = fit foot lenth 25cm9.8inch
US size 8 = Eur size 41 = fit foot lenth 25.5cm10inch
US size 8.5 = Eur size 42 = fit foot lenth 26cm10.2inch
US size 9 = Eur size 43 = fit foot lenth 26.5cm10.4inch
US size 10 = Eur size 44 = fit foot lenth 27cm10.6inch
US size 11 = Eur size 45 = fit foot lenth 27.5cm10.8inch
US size 12 = Eur size 46 = fit foot lenth 28cm11inch
US size 12.5 = Eur size 47 = fit foot lenth 28.5cm11inch
US size 13 = Eur size 48 = fit foot lenth 29cm11.2inch