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 smarter Insanely lightweight fabric is breathable & comfortable for zero distractions 4-way stretch material moves better in every direction Material wicks sweat & dries really fast Classic racerback design for full range of motion Cropped body length Fitted: Streamlined fit that’s not too tight or too loose. Style #: 1377862 Powered by CELLIANT® 90% Polyester/10% Elastane Imported