This Sport-Tek Men's Stunning Yellow Posi-UV Pro Performance Tee is perfect for men who love to work out at the gym or play golf at the driving range. On warm summer days, it'll keep you dry and protected. It's made of 100% polyester interlock with PosiCharge technology and weighs 4 ounces. It has a UPF rating of 50 and set-in sleeves. You can add a company logo to use it as a uniform or a team shirt, and it makes a great end-of-year gift too.