Black Diamond

A cool weather midlayer designed to provide breathable warmth and protection from the elements on alpine climbs and cold mornings on the skin track.

For breathable warmth and wind resistance on cold days in the alpine, the Black Diamond Coefficient Storm Jacket is the ideal do-it-all, cool-weather stretch piece. This jacket is built with a grid back that provides additional warmth and breathability, plus a wind and water resistant coating that adds some midlayer warmth and abrasion resistance. Features a single chest pocket and two hand pockets, the Coefficient Storm also can pack into its front hand pocket when the sun hits.