100% Polyester Imported HUK MENS PURSUIT VENTED LONG SLEEVE SHIRT: Packed with performance technology to handle the elements on the water. This lightweight crew neck shirt with mesh vented sides is an ideal layer on cooler days and perfectly worn by itself when it's hot SUN PROTECTION: This fishing shirt protects your skin from the sun's harmful rays - Huk added the most advanced sun-blocking +30 UPF materials to their apparel to block both UVA and UVB rays COOLING FIBERS: Cooling fibers work to remove heat from the surface of your skin, helping to dump body heat and keep you more comfortable and on the water longer SUPERIOR BREATHABILITY: Keep your skin dry and comfortable on the water - Huk performance shirts includes special fibers that transport sweat away from the skin and synthetic materials that allow air to pass through to create superior breath-ability HUK: Uniting anglers through performance-engineered, technical gear designed to fuel your passion and pursuit no matter when, where or how you fish