For optimal fit and comfort.The Stanno Uni Sock II sock is a high quality hockey sock made of polyamide, elastic polyester and elastane. The sock has a perfect anatomical fit and a comfortable sole and plush heel. The sock is seamlessly stitched for optimal comfort. It does not shrink and the colors remain bright even after frequent washing. You will not feel uncomfortable at any time during the matches or training that you do. Reinforced heel, sole and toes to prevent blisters and chafing. In addition, it has a very elastic upper edge for a better fit of your shin guards. Composition: 80% stretch polyester. 17% polyamide. 3% elastane.