95% Polyester, 5% Elastane WARM: Fabric keeps your feet comfortable after long-playing soccer game. Appropriate thickness ensures CLANDY long tube soccer socks warm in winter/autumn and cool in spring/summer. ELASTIC ARCH & ANKLE SUPPORT: Elastic band on the arch and ankle provides superior longitudinal and transverse support to protect your feet from injured during big sport events. Comfortable stretch keeps the socks stay in place without sliding down all day long. ALL OCCASIONS: CLANDY Knee High Football Socks are suitable for all kinds of school team sports, such as Soccer, Football, Rugby, Hockey, Softball, Baseball, Volleyball, Lacrosse, Skiing, Skating, etc. The Simple Style Solid Color Sock is a great accessory to school uniforms, party dressing and back to school day; also perfect for casual daily wear. SIZE & COLOR: The Over-the-Calf Unisex Socks come in four sizes for you to choose from (S: fits US Girls Boys Shoe Size 12C-2.5Y; M: fits US Girls Boys Shoe Size 2Y-6Y; L: fits US Women Shoe Size 8-11 and US Men Shoe Size 7-10; XL: fits US Women Shoe Size 11-13 and US Men Shoe Size 10-12). Pls refer to the size chart in the picture or product description for more detailed size information. And it??s available in a large variety of colors to match different sportswear and sneakers. SATISFACTION GUARANTEED: CLANDY has been always committed to providing our customers with good quality products and superior customer service. If you have any question or concern, please don??t hesitate to contact us via email.