The Spyder Men's Down Vest in Black Dolomite Both stylish and warm. filled with 700 ProW-B down fill. The lightweight insulation helps to trap warm air next to your body and reflects radiant body heat back, perfect for those extra cold days on the mountain FEATURES Baffled construction Custom zipper collection Brushed microfiber inner chinguard Zippered hand pockets Internal drawcord at hem Spyder logos Downproof Polyester Micro Rip Stop with Spylon DWR 700 Fill Power Down TECHNOLOGY Spylon When the powder is deep you need all the dry you can get. Enter Spylon™ durable water repellent (DWR) finish, which retains 80% of waterproofness after 20 washes, and guards against water- and oil-based stains. Down Down is nature’s perfect insulator. Its tiny fibers are lightweight, compressible, and efficiently hold body heat. Down is rated in “power fill.” The higher the number, the greater the quality. The greater the quality, the better the loft and warmth-to-weight ratio become.