For long, exposed approaches, summit naps and sunny sessions at the crag, the Black Diamond Alpenglow Hoody keeps you covered when sunscreen just won't cut it. With UPF-50+ and BD.cool mineral based in-fiber cooling technology, which reflects 71% of near-infrared rays and reduces wearer's perceived temperature. A layer of protection to your arsenal, with an under-the-helmet hood and pullover design, plus Polygiene odor control, the Alpenglow hoody offers the ultimate in performance and long-wearing comfort.