Men's Alpenglow HoodyA technical fit paired with a highly protective fabric, the Black Diamond Alpenglow Hoody is a proven BD style which offers coverage on desert multi pitches, high alpine approaches and hot crag sessions. With UPF 50+ and BD. cool mineral based in fiber cooling technology, which reflects 71% of near infrared rays and reduces wearers temperature. A layer of protection to your arsenal, with an under the helmet hood and pullover design, plus Polygiene