The 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. 88% Polyester / 12% Spandex Stretch Jersey. PREP-FORMANCE Lightweight Jersey 3-button polo. Side vents. Embroidered logo at back neck. Moisture-wicking and stretch properties.