Patagonia Jackets - Patagonia Bivy Down Jacket - Navy Blue :: Men > Jackets. Men's Patagonia jacketFit: Hip length. regular fitJacket Shell: 100% Nylon canvasStandard Pockets: Two insulated side-entry handwarmer pockets to front\n and one internal zip pocket to chestInsulation: 100% Traceable 600-fill-power duck downWeight: 944gWaterproof: DWR treatment to body and yokeZip: Full length zip to centre front with additional wind flap and metal\n snap closureJacket Lining: 100% Polyester plain weave Size: X-Large,Medium.