Double-knit fabric is soft, stretchy and breathable for superior comfort and mobility. Waterproof woven overlay on the front for greater durability and protection from adverse effects. Brushed fleece lining on the front for more warmth without excess bulk. The material wicks away sweat and dries very quickly. UPF 50+ protects the skin from the sun's harmful rays. Loop on the inside and outer loop on the sleeve to store the hood when not in use. Built-in thumbholes help keep the sleeves in place. Odor control technology minimizes odor.