TCK Sports Elite Performance Woodland Camouflage Socks. High performance, moisture wicking, blister control, odor control, athletic over the calf camo 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: 64% Polypropylene, 27% Nylon, 7% Elastic, 2% Lycra Spandex. Made in USA.