Designed for the fearless female alpine mountaineer The North Face Mammatus Jacket for Women is built with extremely durable Gore-Tex® Pro 3L resulting is a lightweight waterproof breathable seam taped jacket that can stand up to the trauma of a long alpine climb. With a fully adjustable helmet compatible hood pit zips and hidden cinch cords at the collar waist and hood you can make adjustments on the fly without wasting time or taking off your pack.