Nike Big Boys' Performance Cotton Cushioned Crew Socks 3 Pack (Medium, Red/Grey/Royal) 57% Coton/40% Nylon/3% Spandex Imported 3 Pack - Cushioned - Crew-length may vary depending on height 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