This Jack Wolfskin Atmosphere Jacket is an especially lightweight and breathable jacket with luxurious duck down insulation which packs away neatly into its own pocket making it an incredibly versatile jacket that is simply ideal for hiking winter sports and every day wear in colder climates This Jack Wolfskin jacket has an extra smooth and lightweight Stormlock Taffeta outer fabric with a PFC free durable water repellent finish ideal for shielding you from biting winds and light showers To keep you warm and comfortable Jack Wolfskin have stuffed the small baffles of this jacket with luxurious lightweight RDS certified duck down filling which has an impressive 700 cuin fill power ideal for keeping you warm on chilly frosty days The Jack Wolfskin Atmosphere Jacket is the lightest down jacket in the Jack Wolfskin range and the premium quality duck down filling makes it incredibly compressible we love the way it stuffs in its own pocket to make it easy to packaway and pop into your rucksack so it will be there when you need it