Fold-Down Second Zipper Provides added Ventilation and Easy Access, Main Zipper Anti-Snag Slider reduces SnaggingAnatomically 3D Footbox increases the insulation and room for your feet, for more Warmth and Comfort"HL-ElixR ECO" Unique Blend of 100% Recycled Fibers Provides Maximum Warmth, Soft Feel and High LoftEN TestedCombination Wave Construction Top provides Maximum Loft and Warmth, Blanket Construction Bottom for the best warmth and comfort under body3D Hood ConstructionExternal Stash PocketSnagless Insulated Draft TubeTwo Hang LoopsCompression Stuff SackStorage Bag20d 100% Recycled Polyester RipstopBag temperature(CCelsius): -1CCelsiusBag temperature(FFahrenheit): 30FFahrenheitInsulation: HL-ElixRLining: 30d 100% Recycled Polyester TaffetaPack volume: 372.2ci 6.1 litersWeight: 1lbs 14oz (855g)Zipper position: LZ