A technical fit paired with a highly protective fabric, the Black Diamond Alpenglow Crew offers coverage on desert multi pitches, high-alpine approaches and hot crag sessions. Featuring UPF 40+ and BD.cool mineral based in-fiber cooling technology, this fabric reflects 71% of near-infrared rays, reducing the perceived temperature while you wear it. The Alpenglow Crew also features Polygiene® odor control technology, an embedded fabric treatment that uses silver-chloride to inhibit the growth of odor-causing bacteria, allowing you to wear it more and wash it less. The Alpenglow Crew offers the ultimate in performance and long-wearing comfort.