2 Pack, Medium Size, Gray Color, Work Sock, Durable Construction Combined With Comfortable Protection, Anti-Microbial Treated To Protect The Sock Against Bacteria Which Cause Foot Odor & Athletes Foot, Fully Cushioned, True Fit Leg, Abrasion Resistant Achilles Cradle, Virtually Seamless Toe Closure, True Length Is Proportional To Size, 40% Olefin, 35% Cotton, 25% Stretch Nylon.