71% Polyester, 21% Cotton, 8% Spandex Imported HUK MENS KONA BUTTON DOWN SHIRT: Crafted of lightweight, breathable, quick-dry fabric with two-way stretch and a built-in microfiber sunglasses wipe. This fishing shirt is optimized for comfort from boat to bar for an enjoyable day in the sun SUN PROTECTION: This fishing shirt protects your skin from the sun's harmful rays - Huk added the most advanced sun-blocking UPF materials to their apparel to block both UVA and UVB rays SUPERIOR BREATH-ABILITY: Huk performance shirt includes special fibers that transport sweat away from the skin and synthetic materials that allow air to pass through to create superior breath-ability STRETCH: Fabric gives you the flexibility and stretch you need for comfort, while maintaining shape and fit HUK: Uniting anglers through performance-engineered, technical gear designed to fuel your passion and pursuit no matter when, where or how you fish