Exceptionally breathable and comfortable, this polo has a UPF rating of 50 to resist UV rays and wicks moisture so you stay dry and comfortable all day long., 4.1-ounce, 100% polyester, UPF rating of 50, Double-needle stitching throughout, Flat knit collar, 3-button placket, Dyed-to-match buttons, Open hem sleeves, Side vents