What's it do? Nothing can hold you back in UA Vanish. Made seamless where you need it most so there's less rubbing—plus it's extra breathable with strategically-placed mesh where you sweat the most to help you stay cool and focused. Ventilated 4-Way Stretch Fast-Drying UA RUSH™ 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 Fitted: Streamlined fit that’s not too tight or too loose. Style #: 1376781 Iridescent logos Powered by CELLIANT® 52% Nylon/48% Polyester Imported