Made with advanced yarns to help control odor. Ergonomic cushioning and arch compression helps the sock stay in place and give the foot support during games or practice. Double welt top at the top of the sock ensures the sock stays up around the calf and doesn't slip down. Made with 77% Polypropylene, 17% Nylon, 3% Elastic, 3% Spandex for maximum athletic performance. LG fits Men's 9-12, XL fits Men's 12-15.