68% Polyester, 26% Cotton, 4% Viscose 1% Elatodiene, 1% Elastane. The performance polyester and cotton composition of these sports socks efficiently absorbs, then wicks away moisture. This means that you will have less chance getting sweaty feet and blisters. They have a full cushioned sole, acting as a buffer between your feet and the floor, keeping them comfortable over long periods of strenuous exercise or running. Their ribbed leg makes sure that they stay up and feel secure around your leg when wearing. They also include an arch support feature to guard against fatigued feet and to keep you going throughout the day.�