Premium Cotton used and Luxury Cotton percentage: 82%Combed Cotton, 16%Nylon, 2% Spandex. Most soft and comfortable, highly absorb sweat and shock. Please note this is NOT a Polyester Product. Fuzzy and high density cushioned sole makes our feet feel super soft and warn in the cold. Heel/toe reinforcement enhance durability in high-wear areas. Fashion and colorful patterns-Stripes, Leaf, Shark, USA American Flag Socks are great accessory to school uniforms, party dressing or Groomsmen Wedding dressing; also perfect for casual daily wear. Suitable for all kinds of school team sports, such as Soccer, Football, Rugby, Hockey, Softball, Baseball, Volleyball, Lacrosse, Skiing, Skating, etc. US Men Shoe Size 6-11, Women Shoe Size 7-12. Suitable for most people. Perfect for everyday use or all sports wearing all year around.