Fabric Type: 100% Polyester. UV Protection: : UPF 50+ light sun protection fabric effectively blocks harmful UV rays, protecting your sensitive skin from summer elements. Enjoy biking and outdoor activities with ease! Breathable & Quick-Dry: Using high-tech weaving technology, the weave is tight and acts like a fortress against UV rays. It also effectively absorbs moisture from the skin and dries sweat quickly. Thumb Holes & Reflective Design: Thumbholes secure sleeves and extend coverage from sun. Reflective design on the cuffs and back ensures your safety during low-light riding or other sports environments. 4 Pockets: This Running jacket features two side zipper pockets and two deep inner pockets, offering secure and easy access to your essentials while you ride. Occasions: This women's lightweight summer sun protection jacket adopts a short front and long back design, which can effectively increase the sunshade area and provide more comprehensive protection, helping you stay away when cycling, hiking, golf, traveling, sports, sun damage.