From the manufacturer

 

The Alpenglow Hoody offers a welcome respite, keeping you cool with UPF 40+ and BD.cool mineral based in-fiber cooling technology, which reflects 71% of near-infrared rays, reducing the perceived temperature and Polygiene odor control technology that inhibits odor-causing bacteria, making it a must-have for any desert kit.

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 40+ and BD.cool mineral-based in-fiber cooling technology, which reflects 71% of near-infrared rays, reducing the perceived temperature while you wear it. The Alpenglow hoody also features Polygiene® odor control technology, an embedded fabric treatment that inhibits the growth of odor-causing bacteria, allowing you to wear it more and wash it less. Plus, with an under-the-helmet hood and pullover design, the Alpenglow hoody offers the ultimate in performance and long-wearing comfort.