The Jack Wolfskin Women s Helium Stardust Jacket is a super lightweight classic down jacket that is highly compressible and packs away into its own pack sack meaning that you can easily take this lovely down jacket with you wherever you go This jacket has a tear-resistant breathable windproof outer with a water resistant finish and this coupled with the high quality duck down fill makes this jacket very lightweight and super warm ideal for keeping snug and comfortable in the chillier months