Men's Size Chart

  X/S S/M M/L S M L
US Men's 1K - 3K 5 - 9 8.5 - 12 6 - 8.5 8 - 10.5 10 - 13
Mondo 20 - 21 23.0 - 27.0 26.5 - 30.0 24.5 - 26.0 26.0 - 28.0 28.0 - 31.0
UK N/A 4.5 - 8.5 7.5 - 11 5.5 - 8 7 - 10 9 - 12.5
Euro 32 - 34 37 - 43 42 - 46 38 - 42 41 - 44 43 - 48
 

Women's Size Chart

  S/M
US Women's 5 - 9
Mondo 23.0 - 27.0
UK 2.5 - 8.5
Euro 37 - 43
 

Youth/Kids' Size Chart

  XXXS XXS XS S
US Men's 7C - 10C 11C - 2K 3K - 6K 6 - 8.5
US Women's - - 4 - 7 7 - 9.5
Mondo 13.5 - 16.5 17.5 - 20.5 21.0 - 24.0 24.0 - 26.5
UK 6 - 9 10 - 1 2.5 - 5.5 5 - 7.5
Euro 24 - 27 28 - 33 34.5 - 39 38 - 42