Rab Vapour-Rise Alpine Light Jacket Outstanding wind resistance meets the peerless breathability of Vapour-Rise technology. This lightweight softshell provides weather protection for the most intense mountain activities. As part of the highly technical Ascent range, the Vapour-Rise Alpine Light Jacket comes with a double-ended YKK VISLON front zip for easy belaying, plus a lightweight elasticated hood with a windproof peak for greater coverage without reduced vision. It also features large venting chest pockets for extra airflow, as well as elasticated cuffs and an adjustable hem for a tailored fit. But the real key to its mountain credentials lies in Rab's re-engineered Vapour-Rise system. Built on the back of two years of research and development alongside Leeds University and the Association of Mountaineering Instructors, it uses brushed polyester and mesh linings to wick moisture away from high-sweat zones. The breathable Pertex Quantum Air shell then controls the dis