This Port Authority 1/4 zip is perfect for men who are active. You can wear it when working out at the gym, playing sports like basketball, or commuting to work in the morning. It's made of 4.6 - ounce, 100% polyester double knit pique, offering a lightweight feel. With a UPF rating of 30, it gives you good protection from the sun. It's also snag - resistant and moisture - wicking to keep you comfortable all day.