Lorpen Men's Trilayer Multisport Socks, Black, Medium 36% Tencel/ 35% Coolmax/ 18% Nylon/ 10% Lycra/ 1% Modal Imported Men's trilayer multisport Trilayer knit technology layers both synthetic and natural yarns in a way that improves moisture management, comfort and durability 50% Coolmax, 25% tencel, 15% nylon, 10% lycra Eucalyptus is primarily used to produce the Tencel fiber. Shorty height, Partial light cushion