The Under Armour Vanish Energy T-Shirt is designed for optimal performance, featuring UA RUSH™ infrared technology that reflects your body's energy to help you work harder and recover smarter. The material is lightweight, extra stretchy, breathable, and fast-drying, ensuring you stay comfortable without being weighed down. It also incorporates 4-way stretch for better movement in every direction and odor control technology to minimize unwanted smells. The shirt has a side-vent hem and is powered by CELLIANT®. It is made from 90% Polyester and 10% Elastane. Care instructions include washing the garment inside out with like colors, using non-chlorine bleach when needed, tumble drying on low, and avoiding ironing, softeners, and dry cleaning. Style #: 1383973.