The Fox 8" Defend Sock is designed to keep your feet warm and comfortable during winter rides. It's made from a blend of wool, polyamide nylon, polyester, and elastane, offering both warmth and durability. The socks feature trail-specific cushioning at the heel, toe, and shin, ensuring comfort on rugged trails. With compression arch support and flat-stitch toe construction, they provide a snug fit and enhanced comfort. The rib knit upper prevents sliding down during intense rides, making them ideal for demanding winter biking adventures. Compression arch support for superior fit and comfort Trail specific cushion at heel, toe, and shin Rib knit upper won’t slide down when the trail gets rough Flat-stitch toe construction offers improved comfort 68% wool, 24% polyamide nylon, 6% polyester, 2% elastane Information provided by manufacturer