Marmot Men’s Black Ajax Vest Size Large Wear over a shirt or under a coat, the lightweight Ajax Vest is made with a DWR-treated ripstop fabric to shed light snow or winter mist. The fabric is stuffed with warm and compressible 600-fill-power down with a water-resistant treatment that supports loft retention in damp environments. Two handwarmer pockets, a chest pocket and internal media pocket round out functionality. Feature List 600 Fill Power Down with Down Defender , Handwarmer Pockets, Internal Media pocket, Lightweight Down-Proof Fabric, Zippered Chest Pocket Main Materials 100% Polyester Mini Ripstop DWR 1.6 oz/yd Fit Regular Fit Weight 0lbs 12.7oz (360g) Insulation Material 600 Fill Power Down with Down Defender