100% Polyester. Technical fabric effectively accelerates moisture wicking away from your skin to keep you cool and dry all day. Performance microfiber which makes them soft, lightweight and breathable. , Permanent UPF 50+ fabrication protects your skin from the sun's harmful UVA and UVB rays. Help you to stay safe in the sun, delivers all-day comfort. , 100% Polyester , Fastening: Zipper , Long Sleeve , Partial Front Zipper closure. Heighten collar design offers more covered areas and trusted sun protection for your sensitive skin. 1/4 front zip also provide more ventilation and various collar style. , Flatlock seams and no tag collar reduce chafing and increase comfort. Raglan sleeves design provide full range of motion. , Great for a day of Running, Fishing, Sailing, Swimming, Hiking, Biking, Golf, Boating, Traveling and any other of your favorite sports.