Officially licensed Keyline Big II socks by For Bare Feet. These socks are made of 53% cotton/34% acrylic/6% polyester/4% nylon/2% rubber/1% spandex and feature woven team graphics, moisture wicking technology, a cushioned heel, and a durable stretch for comfort. Size Medium (Women's 6-11, Men's 5-10), Size Large (Men's 10-13).