Durable shell fabric is made of 100% recycled polyester ripstop treated with a DWR (durable water repellent) finish 800-fill-power Advanced Global Traceable Down (goose down certified by NSF International from parent farm to apparel factory to help ensure the birds that supply it are not force-fed or live-plucked) Center-front Vislon® zipper has wicking interior storm flap and zipper garage at chin for next-to-skin comfort Two secure handwarmer pockets have Vislon® zippers and garages; internal zippered chest pocket converts to stuffsack with a carabiner clip-in loop Comfortable nylon-bound elastic cuffs seal in warmth Hem adjusts by pulling cord in handwarmer pockets and releases with cord locks at front hem