Fox 10" Defend Crew Socks High cushion mountain bike socks built for comfort. The 10” Defend Crew Socks are a trail-ready sock that's built for demanding rides and whatever the day can throw at them. These high cushion socks provide compression arch support and with trail-specific cushioning at the heel, toe, and shin, all day comfort is assured. The flat stitch toe construction stops chafing and irritation while you ride, and with the rib knit upper, they'll stay up as long as you do. 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. 73% cotton, 17% polyamide nylon, 7% polyester, 3% elastane.