When you want warmth that will hold up its end of the cold-weather bargain, the Yorktown Featherless Jacket brings the trusted performance of your outdoor shell to a city-smart jacket. This jacket is made with state-of-the-art 3M?? Thinsulate?? Featherless loose-fill synthetic insulation that matches 700-fill-down in warmth and remains water-resistant in damp, cold conditions. Sealed into Marmot's two-layer waterproof and breathable shell, this fully protective package features a variety of pockets, like a hidden flash pocket, and has comfortable additions like inner knit cuffs. . ?. . . . . . 3M?? Thinsulate?? Featherless Insulation. . Marmot MemBrain? 2 Layer Waterproof/Breathable. . 100% Seam Taped. . Zip-Off Hood. . Flapped Cargo Pockets with Handwarmer Pockets. . Chest Pocket with Water Resistant Zips. . Hidden Flash Pocket. . Internal Zip Pocket. . Inner Knit Cuff. . Adjustable hook and loop closure? Cuff. . Elastic Drawcord Hem. . Fit-Regular Fit. . Main materials-Membrain? 2L 70% Nylon, 30% Cotton Twill 4.6 oz/yd. . Center back length-31in. . Weight-2lbs 12.8oz (1270.1g). . Style number-73960. .