Nike Big Boys' Performance Square/Dots Crew Socks 3 Pack 58% Cotton/38% Nylon/4% Spandex Imported Machine Wash 3 Pack - Cushioned - Crew-length may vary depending on height Moisture Wicking - Reinforced Heel and Toe - Ribbed cuffs SMALL: Sock Size 7-8.5 - Shoe Size: 3Y-5Y MEDIUM: Sock Size: 9-11 - Shoe Size: 5Y-7Y Made in Pakistan