The Phantom 45 Deg Down Sleeping Bag by Mountain Hardwear is the right bag for you if your goal is to get a great nights sleep on your next camping adventure. A favorite among the Mountain Hardwear family, the Phantom Q.Shield DOWN 800-fill bags are comfortable yet extremely lightweight. Q.Shield Down has an advanced treatment applied that resists heat-robbing moisture and retains maximum loft in damp conditions. The Superlight Q.Shield DOWN 800-fill with 10d lightweight filament weave shell makes the Phantom an exceptionally warm and comfortable sleeping bag. With a snug mummy cut, tight 5 inch baffle spacing maximizing loft and six-chamber hood design, this bag is insulated for maximum warmth and minimum weight.