The jacket is constructed with Mountain Equipment's own Drilite Loft fabric, which is extremely robust, windproof and highly water-resistant. Drilite Loft is a Nylon fabric with a microporous Polyurethane coating which is treated with a Durable Water Repellent to help water bead up and run off the jacket, keeping you protected and dry during harsh winter conditions.Drilite Loft 40D outer fabric - windproof and highly water resistant 275g (size 12) of Pure Down with a minimum content of 90/10 700 fill powerAdjustable zip-off hood with 3 panels for exceptional fit and protection2-way YKK moulded centre front zip with rear insulated baffleStitched-through construction throughoutAdjustable cuffs Inner zipped security pocket2 zipped handwarmer pockets Weight: 660gColour: Dark Grey