Seamless toe eliminates friction and hot spots for maximum comfort. Drirelease Wool with FreshGuard provides permanent moisture wicking, fast-drying and odor neutralizing performance. Contoured fit helps prevent blisters. Lycra/Elastane breathable ventilation panel keeps sock from slipping. Reinforced heel and toe for durability. 54% Nylon, 37% Polyester, 5% Wool, 4% Lycra/Elastane.