Lightweight and durable 100% nylon Pertex Quantum fabrics throughout; a high-sheen Pertex Quantum built with Y-shaped filament technology on the hood, shoulders and arms has interlocking Y-shaped nylon fibers to enhance DWR (durable water repellent) performance. 800-fill-power Traceable Down (800-fill-power goose down from geese traced from parent farm to apparel factory to help ensure the birds that supply it are not force-fed or live-plucked, as certified by NSF, an independent third party). Fully baffled construction, a longer cut and internal draft tubes at 2-way, center-front zipper eliminates cold spots. Helmet-compatible, baffled hood has a single-pull adjustment and an internal heat-locking, high-loft chamber on back of neck. Two high handwarmer pockets and exterior left-chest pocket feature zipper garages and insulated entries to eliminate drafts; one giant interior drop-in stretch-mesh pocket holds gloves and other essentials.