There are performance polos and then there are polos that truly perform. Our Featherweight collection of polos is made in jersey fabric that is 30% lighter than our standard jersey and wicks away sweat, regulates heat and has built-in UPF 50 sun protection. The hand-drawn pattern was designed to make this the ultimate 4th of July shirt. johnnie-O Featherweight Performance Polo Shirt - JO Merica in Blue Size: Small.