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 UA RUSH™ is infrared technology that reflects your body's energy to help you work harder & recover smarter Body-mapped, nearly sew-free construction is super-smooth next to skin & helps eliminate chafing Material wicks sweat & dries really fast Updated gusset design provides ultimate support & comfort Exposed elastic waistband with raised texture