Port Authority Men's Performance Moisture Wicking Short Sleeve Polo Shirt 100% Polyester With a grid-like texture, this durable, smartly priced polo wicks moisture and controls odor--making it a favorite for team uniforming. 4.28-ounce, 100% polyester Flat knit collar 3-button placket with dyed-to-match buttons Self-fabric piping at placket and cuffs