Size US Men's US Women's EURO UK
XS   5 - 6.5 36 - 38 3.5 - 5
S 6 - 8 7 - 9 39 - 41 5.5 - 7.5
M 8.5 - 10 9.5 - 11.5 42 - 44 8 - 9.5
L 10.5 - 11.5   45 - 46 10 - 11
XL 12 - 14   47 - 49 11.5 - 13