UA RUSH™ powers your toughest workouts, your biggest games, your most intense training. It gives you back energy, fits great, keeps you dry, and makes you feel like you can crush every PR. 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 Fitted: Streamlined fit that’s not too tight or too loose. 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