Sweat-Wicking Material – These sports socks are made of HeatGear fabric which wicks sweat away from your skin to keep you cool, dry and light , All-Day Freshness – These no show socks have anti-odour technology to prevent the growth of odour-causing microbes; Mesh panels add breathability , 97% Polyester, 3% Elastane , Machine Wash , Fastening: Pull On , UA Heatgear NS , Regular