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 construction to eliminate chafing|4-way stretch material moves better in every direction - Style #: 1365717|Powered by Celliant|60% Polyester/38% Nylon/2% Elastane|Imported - Machine wash cold with like colors|Do not bleach|Tumble dry low|Do not iron|Do not use softeners|Do not dry clean