Super-light HeatGear® fabric delivers superior coverage without weighing you down. This material wicks sweat and dries really fast, featuring 4-way stretch for better movement. Ergonomic flatlock seams provide a comfortable, chafe-free fit. Made from 87% Polyester and 13% Elastane. Imported. Wash garment inside out, machine wash cold with like colors. Use only non-chlorine bleach when needed, tumble dry low. Do not iron, do not use softeners, and do not dry clean. HeatGear is our original performance baselayer designed for ultimate comfort and mobility.