2 Pack, Men's, Extra Large, Gray Bodied Work Sock, Elasticized 1 x 1 Mock Rib Stay-Up, 3 x 1 Mock Rib Leg, Olefin Reinforced Achilles Cradle & Foot Bottom-Heel To Toe, Fully Cushioned Foot, Crew Length Is Proportional To Size, Anti-Microbial Treated To Protect Against Bacteria Which Causes Foot Odor & Athletes Foot, 35% Wool, 35% Acrylic, 23% Stretch Nylon & 7% Olefin.