Stride Rite Boy's 4 Pack Backside Sportball Crew Socks 1st 3rd: 65% Cotton/22% Polyester/10% Nylon/3% Spandex; 2nd: 73% Cotton/24% Polyester/3% Spandex; 4th: 58% Cotton/22% Polyester/17% Nylon/3% Spandex Imported Machine Wash We use only the highest quality of materials to combat wear and tear Our cotton rich composition ensures that our hosiery feels good against little feet