What's it do? Built to be breathable while giving you the cushioning you need for training and running. DNA True Seamless Toe delivers superior comfort & reduced irritation Strategic arch support reduces foot fatigue Medium cushioning placed strategically throughout foot protects high-impact areas without added bulk Mesh ventilation across top of foot for ultimate breathability Material wicks sweat & dries really fast Fitted heel contours around your foot for a better fit Style #: 1367812 Left/Right specific construction for better fit 3 pairs of socks 57% Polyester/32% Cotton/8% Nylon/3% Spandex Imported Regular Machine wash cold with like colors Do not bleach Tumble dry low Do not iron Do not use softeners Do not dry clean