5-l Size Guide

US IN  CM
3 9 3/8 24
4 9 5/8 24.5
5 9 7/8 25
6 10 25.5
7 10 1/8 26
8 10 3/8 26.5
9 10 3/4 27.5
10 11 1/8 28.3
11 11 3/8 29
12 11 5/8 29.3
13 11 3/4 30
14 12 30.5

Please note that if you use measurements in centimeters (CM), these correspond to the length of the foot and not to the total length of the footwear, including its last.