UA RUSH is infrared technology that reflects your body\'s energy to help you work harder & recover faster|Soft knit fabric with engineered mesh ventilation, mapped to the places you need it most|Nearly sew-free design to eliminate chafing|4-way stretch material moves better in every direction|Material wicks sweat & dries really fast - Style #: 1370441|Powered by Celliant|52% Nylon/48% Polyester|Imported - Machine wash cold with like colors|Use only non-chlorine bleach when needed|Tumble dry low|Do not iron|Do not use softeners|Do not dry clean