sock size shoe size
Youth Men's Women's UK EC
Youth YS (5-6) 4 - 7 Toddler        
Youth YM (6-7) 7 - 10 Toddler     7 - 10 25 - 28
Youth YL (7-9) 10 - 2   3 - 5 10 - 3 28 - 31
Youth YX (8-9½) 1 - 5   4 - 7 3 - 5½ 32 - 38
Adult SM (7-9) 10 - 2   3 - 5 10 - 3 28 - 31
Adult MS (8-9½) 1 - 5   4 - 7 3 - 5½ 32 - 38
Adult MD (9-11)   5 - 9½ 6 - 10 5 - 8 37 - 42
Adult LG (11-13)   9 - 12 10 - 13 8 - 11½ 43 - 47
Adult XL (13-15)   12 - 15   12 - 14 47 - 50
Adult 2L (15-17)   15 - 17   15+ 51+