Description of Marmot Zeus Jacket The Zeus jacket is serious hardware for city life in the winter (in six great colors, of course). Amazingly lightweight down proof fabric is stuffed with the finest quality 800 fill power goose down. A wind flap is tucked behind the front zipper to suppress drafts. Packs away into its own pocket for easy storage or travel! Features: Main Material: Bantam Rip P-110R DWR Lining Material: Micro Poplin P-180 DWR Insulation Material: 800 Fill Goose Down 800 Fill Power Goose Down The Best Down Available for Maximum Warmth, Guaranteed Minimum Fill Angel-Wing Movement™ Allows Full Range of Motion in Arms so Jacket Doesn't Ride Up Elastic Draw Cord Hem For Adjustability in Serious Weather Packs into Pocket Ultra Light Down Proof Fabric Wind Flap Behind Front Zipper Protects Against Drafts Zippered Handwarmer Pockets Soft Fabric to Warm Hands