Patagonia Bivy Down Parka Fatigue Green The mens Bivy Down Mountain Parka from Patagonia is a quilted DWR Coated nylon canvas hooded parka insulated with fully traceable 600-fill-power duck down. It features two insulated handwarmer pockets, zipper closing, internal zip pocket, adjustable hood & a snapped placket. DWR technology (durable water repellent) fabric finish repels light rain & snow & and decreases drying time which means you can spend more time being warm. A great jacket that will make you want to push your limits. Water resistant Fatigue Green 600 fill down DWR coated nylon Description by Adam.