BUILT FOR STORMY WEATHER. The water-repellent Men's Hydrenalite Down Hoodie pairs city style with expedition-tested features like 550-fill Down baffles and an insulated hood to keep the iciest winds at bay. PREMIUM FABRIC. Made from 100% recycled nylon taffeta, this hoodie features a non-PFC Durable Water Repellent (DWR) finish and exquisite 550 fill recycled waterfowl down — all to ensure you stay warm, dry and feeling great on adventures.