The most popular sizes of these products are ONE SIZE, Toddler US 6.5, Toddler US 6, Toddler US 8, Toddler US 5.5, Toddler US 7.5, Toddler US 8.5, Little Kid US 9, Toddler US 7, 8, 9, 7, 6, Little Kid US 9.5, Little Kid US 10.5, Little Kid US 11, 11, Little Kid US 11.5, Toddler US 3.5, Little Kid US 12, 12, S, Toddler US 4.5, Toddler US 5 a L. All sizes