This Under Armour short - sleeve shirt is perfect for men who love fitness, whether they're athletes, gym - goers, or just people who like to stay active. You can wear it during sporting events as a base layer for uniforms or while working out at the gym or on a run. It has a slim fit and tight compression, and the super - light HeatGear fabric won't weigh you down. The shirt also features mesh underarm and back panels for ventilation, and its sweat - wicking material dries fast. It's easy to care for - just machine wash cold with like colors and tumble dry low.