Youll never be caught out by a sudden dip in temperature when you have this packable down jacket on hand the jack wolfskin womens helium stardust jacket is made from stormlock fabric and insulated with high quality down you can pack it into a compact bundle by stuffing it into the stowaway pocket features down insulated 9010 duck down fill with 700 cuin fill power stormlock fabric lightweight windproof water resistant and breathable packable stuffs into its own pocket for easy st