FOOT SIZE EU UK US Men US Women US Kids CM
XS 31-34 12-2 - - 13-3 19.5-21.5
S 35-38 3-5 3.5-6 5-7 - 22-24.5
M 39-42 6-8 6.5-8.5 8-10 - 25-28

L

 43-47 9-12 9.5-12.5 11-13 - 28.5-30.5
XL 48-51 13-15 13.5-16 - - 31-33.5