Size 4.5 US =Heel to Toe 8.86"(22.5cm)=Our Size 35

Size 5 US =Heel to Toe 9.06"(23cm)=Our Size 36

Size 6 US =Heel to Toe 9.25"(23.5cm)=Our Size 37

Size 7 US =Heel to Toe 9.45"(24cm)=Our Size 38

Size 8 US =Heel to Toe 9.65"(24.5cm)=Our Size 39

Size 8.5 US =Heel to Toe 9.84"(25cm)=Our Size 40

Size 9 US =Heel to Toe 10.04"(25.5cm)=Our Size 41

Size 10 US =Heel to Toe 10.24"(26cm)=Our Size 42

Size 11 US =Heel to Toe 10.43"(26.5cm)=Our Size 43