Lightweight, water-resistant shell 800 fill power HyperDRY™ down Full-zip front with interior storm flap Two hand pockets and one chest pocket (all with zip closures) Packs into its own pocket Shell/lining: 100% Nylon. Body insulation: 90% Down/10% Feathers. Collar insulation: 100% Polyester. Machine wash. Imported Lands’ End uses Responsible Down Standard (RDS) down procured through an ethically sourcedsupply chain This product is Responsible Down Standard certified by Control Union 865409. Easy on the weight. Heavy on the warmth. They say "good things come in small packages." And after demoing this vest, we can confirm that’s true. Outside, you get lightweight, flexible, water-resistant fabric. Inside, 800 fill power HyperDRY down (the kind that dries in a flash and stays warm even when wet). All three exterior pockets have zippered closures to keep your gear secure. The full-zip front has a hidden storm flap to prevent the dreaded "cold front." And here’s the kicker: the whole thing packs into its own pocket. For powerful warmth … in the palm of your hand.