Attention: Burton Snowboards & Gear can be shipped only within the United States.. Description of Burton Ultrawool Snowboard Socks Don’t get taken out in a cold-toe TKO. Features: 40% UltraWool, 40% Acrylic, 10% Nylon, 10% Spandex Medium and Extra-Density Padding Throughout Sock Elastic Arch and Ankle Supports No-Irritation Toe Seam Heavyweight