Sizing – Based on US Adult Shoe Sizes:
Small – Men's Shoe (3.5 - 7), Women's Shoe (5 - 8.5)
Medium – Men's Shoe (7.5 - 8.5), Women's Shoe (9 - 10)
Large – Men's Shoe (9 - 10.5), Women's Shoe (10.5 - 12)
X Large – Men's Shoe (11 & up), Women's Shoe (12.5 & up)
Ped. – 8 - 12 (Child)