Men's size guide

US EU CM
5/5.5 39 25
6/6.5 40 25.7
7/7.5 41 26.3
8/8.5 42 27
9/9.5 43 27.7
10/10.5 44 28.3
11/11.5 45 29
12/12.5 46 29.7
13/13.5 47 30.3
14/14.5 48 31
15/15.5 49 31.6
16/16.5 50 32.3