Stay comfortable with the Patagonia Tropic Comfort Crew. The Tropic Comfort will wick away moisture to keep you comfortable in all conditions. The UPF 50+ rating will keep you protected from the harmful UV rays of the sun. UPF 50+, Thumb Holes, Rear Zippered Security Pocket, Material: 100% Recycled Polyester Jersey, Warranty: Lifetime, Closure Type: Pull Over, Type: Shirt, Material: Synthetic, Sleeve Type: Long Sleeve, Recommended Use: Fishing, Sun Protection: Yes, Antimicrobial: Yes, Anti Odor: Yes, Model Year: 2019, Product ID: 555874, Model Number: 52106 LTWI S, GTIN: 0191743377631