This 3 pack of socks from 47 Brand features some of the best sock technologies known. These socks are 96% polyester, 2% natural latex rubber, 2% spandex and feature moisture wicking yarns to combat smell, mesh vented zones to stay cool, and selective cushioning for comfort. Size medium fits men's 5-8.5, women's 5-9.5, and size large fits men's 9-13, women's 10-12.