This is pinnacle alpine insulation – our warmest, most durable Cerium. A standalone hoody for severe cold, its high-loft 1000-fill goose down provides light, packable insulation with PrimaLoft utilized in areas prone to moisture. The 100%-recycled 20D Pertex® Diamond Fuse outer is light, windproof, and has a diamond-filament construction that adds durability without adding weight, and the insulated StormHood extends warmth and adjusts for a comfortable, secure fit that helps maintain peripheral vision.