Specialized Primaloft Lightweight Tall Logo Sock Performance socks for a variety to temperatures. The Specialized Primaloft Lightweight Tall Logo Sock Utilize premium Primaloft(R) polyester yarn for an optimal combination of warmth, comfort and moisture-wicking properties. These socks are seven-inches high, or calf height and have a seamless toe construction. Features45% Polyester, 25% Polypropinene, 25% Polyamide, 5% Elastane Primaloft(R) polyester yarn offers the best thermal performance to weight ratio Seamless toe construction7" height Sizing Size Small Medium Large Extra Large Men's US shoe size4-67-910-1213+Women's US shoe size5-78-1011-1314+ | Specialized | Primaloft Lightweight Tall Logo Sock Men's | Size Extra Large In Harvest Gold | Polyester/elastane/polyamide