The most popular sizes of these products are 6, US 4, US 6, 4, Little Kid US 10.5, 41, Toddler US 8, Little Kid US 9.5, 5, US 5, 40, Little Kid US 9, Toddler US 6.5, Toddler US 7.5, Big Kid US 1, 36, Little Kid US 13, 37, 38, 11, 8, 42, 44, Little Kid US 11 alebo Little Kid US 10. All sizes