Features • 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 • Spirafil High Loft Insulation for Maximum warmth and durability • EN Tested • Combination Wave Construction Top provides Maximum Loft and Warmth, Blanket Construction Bottom for the best warmth and comfort under body • Full Length Locking YKK Two Way Zipper • 3D Hood Construction • Stash Pocket • "Feely" Draw Cords • Snagless Insulated Draft Tube • Two Hang Loops • Compression Stuff Sack