2 Pack, Men's, Medium, 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.