Under Armour Performance Polo Shirt Mens This classic Under Armour Performance Polo Shirt has been developed with Heat Gear technology which wicks sweat away from your skin to help with keeping you cool allowing you to fully focus on your performance on the course. This polo shirt has a UPF30 rating to help protect you from harmful UV rays and the anti-odour technology prevents the growth of odour causing microbes. Under Armour branding is stitched to the left of the chest to complete the overall look.