Our Standard Performance Short Sleeve Custom Boat Polos are the Port Authority® Dry Zone® UV Micro-Mesh Polo (model K110). This comfortable polo is a high-performance shirt designed to offer comfort, durability, and protection, making it particularly beneficial for boaters.   4.5-ounce, 100% polyester double knit pique UPF rating of 30 Flat knit collar; 3-button placket with pearlized, dyed-to-match buttons Flat knit collar; Open hem sleeves, & side vents