This Sport-Tek tee is great for men hitting the gym, playing golf at the driving range, or spending time outdoors. It's made of 100% polyester interlock, 4 - ounce fabric with PosiCharge technology. With a UPF rating of 50, it protects you from the sun. It has set - in sleeves and a removable tag for comfort. You can customize it with a company logo, making it perfect for team events or gifts.