Skyline Socks Men's 3 Pack San Francisco Team Crew Socks, Red/Gold/White, One Size/ 6-12.5 57% Polyester, 40% Cotton, 3% Spandex Imported Machine Wash Sweat wicking blend will have your feet dry, cool and durable fit Added heel and toe support One size fits most San Francisco team pack 57 percent polyester, 40 percent cotton, 3 percent spandex