The Vanish Energy Short Sleeve T-Shirt from Under Armour is designed for performance. Its lightweight, extra-stretchy, and breathable fabric wicks sweat and dries quickly, keeping you comfortable during intense workouts. The shirt features UA RUSHâ„¢ infrared technology to reflect your body's energy, aiding in harder work and smarter recovery. It's constructed with 4-way stretch material for enhanced mobility in all directions and includes a side slit hem. Made from 90% Polyester and 10% Elastane, this loose-fitting shirt is easy to care for, requiring machine wash cold with like colors, non-chlorine bleach when needed, and tumble dry low. Avoid ironing, fabric softeners, and dry cleaning.