Shell jacket in windproof, breathable functional fabric with closed waterproof seams, waterproof zips, a hood with a reinforced peak and elastic drawstring, and a zip down the front. Zipped side pockets, zips at both sides that can be opened for ventilation, a snow flap with reinforced elastication and adjustable press-stud fastening at the waist, and an adjustable hook and loop tab at the cuffs. Slightly longer at the back. Unlined. The jacket has a water-repellent coating without fluorocarbons.