This Under Armour full - zip is perfect for men who are always on the go. Whether you're warming up for a marathon, commuting to work or school, or just chilling at home, it's your go - to choice. It has a loose fit, so it sits comfortably away from the skin. The material is 80% cotton and 20% polyester, which makes it lightweight and great at wicking sweat. It also has open hand pockets for your essentials.