UA RUSHTM is infrared technology that reflects your body's energy to help you work harder & recover smarter. 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. Powered by CELLIANT®. 52% Nylon/48% Polyester. Machine wash cold with like colours. Use only non-chlorine bleach when needed. Tumble dry low. Do not iron. Do not use softeners. Do not dry clean. Colour: blue