The more you sweat, the heavier most shirts get. The UA Vanish Energy men's training t-shirt is light, extra stretchy, breathable, and fast drying so you can work hard without getting weighed down. It's everything you need to eliminate distractions. Odour control technology minimizes undesirable odours, side-vent hem and 4-way stretch material help you move better in every direction, and UA Rush™ infrared technology reflects your body's energy help you work harder and recover smarter.