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 Anti-odor technology prevents the growth of odor-causing microbes Advanced seam placement to eliminate pressure points & chafing Dropped, shaped hem for enhanced coverage Style #: 1368178 Modified raglan sleeves Powered by Celliant 90% Polyester/10% Elastane Imported Fitted: Streamlined fit that’s not too tight or too loose.