This Huk® ICON X fishing shirt tackles it all. Sun? UPF 50+ protects against harmful rays. Heat? Internal Cooling Element pulls away heat upon contact with moisture, and the fabric is highly breathable. Sweat? Moisture transport draws it away to the exterior of the fabric so it dries out faster. Funk? Antimicrobial inhibits/kills odor-causing microorganisms. Gunk? Stain release technology allows for easy wash-up. All in a long-sleeved style for the coverage you want while fishing.