Product Features High Quality: 77% Polypropylene, 17% Nylon, 3% Elastic, 3% Spandex Made in USA Blister Control, Ergonomic Cushioning Moisture Control, Odor Control, Moisture Wicking, Breathable Mesh Arch Compression, Heel & Toe Construction, Double welt top Product Description TCK Sports Elite Woodland Camouflage Performance Crew Socks. High performance, moisture wicking, blister control, odor control, athletic crew socks for all team sports and elite athletes. Fit goes by shoe size: Small fits Youth 12-5; Medium fits Mens 6-9 or Womens 7-10; Large fits Mens 9-12 or Womens 10-13; X-Large fits Mens 12-15 or Womens 13+. High quality fiber contents: 77% Polypropylene, 17% Nylon, 3% Elastic, 3% Lycra Spandex. Made in USA.