The most popular sizes of these products are 5-6 Years, Kids, L, 4-5 Years, M, 6-7 Years, 8-9 Years, 7-8 Years, XL, S, 3 YEARS, 2XL, 3-4 Years, 9-10 Years, 11-12 Years, ONE SIZE, 2 YEARS, 10-11 Years, 4 Toddler, 3XL, 40, 38, 6/9 Months, 9-12 Months a 3-6 Months. All sizes