Fearlessly Chase The Sun Hook into an elevated Sun Protection Experience Offshore, at the dock, or on the lake, have the confidence to live life in the sun without worry The Coolibar Advantage Rigorous Testing Standards When we make a promise, we keep it. UPF 50+. Guaranteed. Superior Fabric Technology Since 2001, we’ve raised the bar for sun protective fabric innovation. Built to Last (Like They Should Be) We wash test our styles 40 times to make sure they’ll stand up to years of wear. All Day Comfort Designed for extreme conditions, we sweat the details so you don’t have to. Explore the Nassau Fishing Shirt's Features Finally... the fishing shirt upgrade you’ve been searching for. Designed in partnership with USCG Captains, we develop the ultimate sun protective shirt for fishing and boating Made with 3D Dri Fabric Out ultra-lightweight, woven 3D Dri fabric has a small 3D grid pattern that accelerates moisture wicking to keep you cool and dry. Engineered to withstand the rigors of travel, it's stain resistant, water repellent and packs easily. Composition: 100% Polyester. Ultra-Light Weight, Moisture Wicking, Water Repellent and UPF 50+ 3D Dri is your best friend on the water.