The most common sizes in which these products are manufactured include M, L, S, XL, ONE SIZE, 2XL, Kids, 3-4 Years, 5-6 Years, 4-5 Years, 9-12 Months, 40, 6/9 Months, 12-18 Months, 3-6 Months, UNI, 38, 6-7 Years, Women, 3XL, 3 YEARS, 18/24 Months, 9-12 Mo, 7-8 Years alebo 6-9 Mo. All sizes