This Under Armour long sleeve shirt is perfect for men who are into fitness or any outdoor activities. You can wear it during workouts at the gym, running outside, or playing sports. It has a slim fit and is made of super - light HeatGear fabric. It comes with mesh panels under the arms and on the back for ventilation. The shirt is easy to care for - just machine wash it cold with like colors, tumble dry low, and avoid using bleach, iron, softeners, or dry - cleaning it.