Shave pack weight and stay warm on your next climbing or winter camping trip with the MontBell U.L. Super Stretch Hugger 0 0-Degree Down Sleeping Bag. This 0-Degree down sleeping bags stretchy seams conform to your every movement and eliminate dead space for better thermal efficiency. MontBell used Multi-Box baffle construction to ensure this 800-fill down bag has no cold spots and retains its loft longer than competing bags. Smaller sleepers can close an eight-inch baffle at the feet, reducing the amount of empty space to heat even further. Weighing only 2lbs 13oz and rated to 0 degrees, the U.L. Super Stretch Down Hugger 0s impressive weight to warmth ratio keeps you moving fast and sleeping sound in cold, unforgiving terrain.