This RDS-certified down puffer jacket is built for unrivaled cold weather protection. Featuring 800 fill power for a high warmth-to-weight ratio and a water-repellent, premium nylon shell. Constructed with a generous standard fit, a detachable shock cord hood, YKK Metaluxe zippers, hidden stretch rib cuffs, PrimaLoft® insulated pockets, and an adjustable shock cord hem.