Ultra-light fabric and our highest quality down combined with a minimalist design makes the Lithium is our lightest bag for mountaineers and backpackers encountering conditions down to zero degrees Fahrenheit.
Fold-Down Second Zipper Provides added Ventilation and Easy Access, Main Zipper Anti-Snag Slider reduces Snagging
Anatomically Designed Footbox with Wrap-Around Construction increases Warmth
Smooth-Curved Baffles Reduce Down Shifting. Nautilus Multi-Baffle Hood limits heat loss