The Nike Flex Rep top is designed for presses, lifts, and stretches. This slim fit features reinforced seams. Nike Dri-FIT technology moves sweat away from the skin for quicker evaporation, helping you stay dry and comfortable. The lightweight, stretchy fabric moves with you. Mesh panels offer extra ventilation. Bonded taping on the back neck is designed for support. The t-shirt features short sleeves, side vents and a rounded hem design that provides extra coverage. It is made of 85% polyester and 15% cotton; the mesh is 87% polyester and 13% cotton. It can be machine washed.