This Under Armour long - sleeve shirt is ideal for men who are into fitness or need a comfortable base layer. You can wear it while working out at the gym, doing outdoor sports, or as part of a uniform. It has a slim fit. The fabric is super - light, and there are mesh panels for ventilation. The shirt has anti - odor technology and sweat - wicking material. Machine wash it cold with like colors, tumble dry low, and avoid ironing, using softeners, or dry - cleaning it.