[Fabric] 100%Polyester; cooling, lightweight, stretch and breathable. [Breathable] The fabric and mesh offers superior function with moisture wicking that will keep you two degrees cooler in summer. [UV Protection] The fabric rating UPF 50+ protects your skin from the harmful rays. The long sleeves and 1/4 zip up collar also help you to stay safe. [Stylish & Useful] 1/4 zip up, loose fit, solid color and lightweight fabric make you look great for your fitness life and leisure life. [Perfect For] The sun protection shirts are perfect for fishing , running, golfing, biking and all kinds of outdoor activities.