What's it do? 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. Product DNA - UA RUSH™ is infrared technology that reflects your body's energy to help you work harder & recover smarter - Material wicks sweat & dries really fast - 4-way stretch material moves better in every direction - Side-vent hem - Loose: Fuller cut for complete comfort. - Style #: 1379141 - Powered by CELLIANT® - 90% Polyester/10% Elastane - Imported