The Under Armour Men's Performance Tech No Show Socks 6 Pair aren't just any old socks. They keep your feet cool. They give you arch support. They've even got anti-odor technology so they don't stink. These are socks built for athletes.FeaturesHeatGear fabric wicks sweat away from your skin to keep you cool, dry & lightStrategic cushion reduces bulk & delivers flexibilityDynamic arch support helps reduce foot fatigueVentilation channels enhance breathabilityAnti-odor technology prevents the growth of odor-causing microbesSix pairs of socks97% Polyester/2% polyurethane/1% nylonRegular fit