The Snugpak Softie 12 Osprey is a 4 season sleeping bag that provides an abundance of warmth to keep you comfortable. This sleeping bag?s packed size is 10 inches by 9 inches, and it can be tied to the outside of space restricted rucksacks. The Softie 12 Osprey is equipped with Softie Premier synthetic insulation, which is washable and provides superior heat retention. The randomized fine filament fibers of Softie Premier insulation trap warm air to retain heat even when thoroughly wet. Softie Premier insulation does not lose thermal characteristics over time, even when stored in the compression stuff sack for long periods of time without use. The comfort temperature rating of this sleeping bag is 14 degrees Fahrenheit but can go as low as 5 degrees Fahrenheit for experienced campers and outdoors enthusiasts. This Softie 12 Osprey is equipped with an anti-snag two-way zipper, full-length zip baffle, a mummy shaped design, draft collar, and a quilted Snugfit hood with an adjustable draw cord to ensure you stay comfortable while you sleep, even when the temperature drops. This durable, versatile sleeping bag is lightweight and weighs 4.4 pounds. It also comes with a compression stuff sack that completes its travel-friendly capabilities. The Softie 12 Osprey is also equipped with Paratex Steelplate lightweight fabric to provide you with a durable, highly breathable, water wicking, water repellent, and windproof sleeping bag. The Softie 12 Osprey provides you with everything you need for a comfortable, warm night?s sleep in cold weather conditions. NATO Stock: 8465-99-314-3139.