UPF 50Plus,Cooling and Quick Dry.90% Polyester,10% Spandex.Certified UPF50Plus light jackets for summer protect your sensitive skin away from harmful rays.Ultra lightweight, soft sun shirt is cool to the touch which provide superior next-to-skin feel; 4-way stretch construction improves mobility for full range motion.Effective sun shirts with hood give you more neck protection.Utility pockets for keeping personal belongings, like ID card, cell phone and keys.High density mesh fabric for enhanced ventilation, wicks sweat and dries really fast.These versatile light jackets with a casual fit are perfect for all kinds of outdoor activities, like hiking, beachside vacation, kayaking, cycling, traveling or just taking a walk around your house.