This lightweight insulation jacket is made for all-year mountaineering but works perfectly for general outdoor activities ranging from trekking to ski touring. Norr na use the aeroDownproof face fabric because it provides windproofness, lightweight, soft touch and durability. Norr na use thermo40 synthetic insulation because it offers great warmth-to-weight values, good packability and will provide insulation even when wet. The aeroDownproof fabric is a 20D ripstop recycled nylon, 37gm2. The thermo40 is a recycled polyester insulation, 40gm2. Key features include: A helmet-compatible hood with one-hand adjustment, a chest pocket with zipper, two hand pockets, and elastic cuffs. The jacket has a technical fit with articulated arms and longer cut in the back for extra protection. Features of the Norrona falketind thermo40 Hood Jacket for Men Two hand warming pockets Storm hood fitted for climbing helmet with one-hand adjustment Chest pocket with zipper closure Elastic cuffs Articulated elbows Asymmetric longer back cut