Fabric: Cooling, lightweight, stretch, and breathable. Breathable: The fabric and mesh offer 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 harmful rays. Stylish & Useful: 1/4 zip up, loose fit, solid color, and lightweight fabric make you look great for fitness and leisure. Perfect For: The sun protection shirts are perfect for fishing, running, golfing, biking, and other outdoor activities.