This Under Armour quarter zip is perfect for men who are into sports. Whether you're warming up for a race or just going for a casual run, it's a great choice. It's made of 63% Nylon and 37% Polyester, which gives it a soft feel and excellent stretch. It has a slim fit that's next - to - skin without squeezing you. And don't worry about sweating, as it wicks sweat and dries really fast. Just machine wash it cold with like colors and tumble dry low.