Product Details + 88% POLYESTER 12% SPANDEX Pull On closure Wrinkle-free, Quick Dry, and Soft Design: Flatlock Seams Prevent Chafing; Sleeve with Thumb Hole. UPF 50 : Excellent Protection from the Harmful Effects of the Sun's UV Radiation Breathable and Quick Dry: Breathable Fabric for Sports Wear and Lightweight Shirt for Skin Friendly; Special Material Dries Quickly. Suit For: Running, Workout, Fishing, Sailing, Camping, Hiking, Surfing, Athletic Wear, and Outdoor Activities. Details