|The 4 season Outfitter Zero Degree Down fill sleeping bag is a perfect option for colder temperature outings. Filled with 3.3 pounds of an 80/20 duck down/feather combination, the Outfitter Zero degree sleeping bags provides amble warmth and comfort on those chilly nights. Dual zippers make entering and exiting simple. Mummy style hood and a square foot base make for a roomy, comfortable sleep. Cell phone pouch and compression stuff sack included.