Fold-Down Second Zipper Provides added Ventilation and Easy Access, Main Zipper Anti-Snag Slider reduces Snagging Anatomically 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 Loft EN Tested Combination Wave Construction Top provides Maximum Loft and Warmth, Blanket Construction Bottom for the best warmth and comfort under body 3D Hood Construction External Stash Pocket Snagless Insulated Draft Tube Two Hang Loops Compression Stuff Sack Storage Bag 20d 100% Recycled Polyester Ripstop Bag temperature(CCelsius): -1CCelsius Bag temperature(FFahrenheit): 30FFahrenheit Insulation: HL-ElixR Lining: 30d 100% Recycled Polyester Taffeta Pack volume: 372.2ci » 6.1 liters Weight: 1lbs 14oz (855g) Zipper position: LZ