The Big Agnes Hog Park 20 Degree Sleeping Bag is a long and wide sleeping bag for those looking for plenty of space to sleep. Less constricting than most bags, it is nice and wide while delivering the heat down to 20°F. The Thermolite; Extra synthetic Insulation mimics down, which helps the bag remain nice and fluffy and plenty warm. The nylon taffeta shell Features a water repellent finish, so any morning dew (or tent condensation) will bead up and roll right off. Features of the Big Agnes Hog Park 20 Degree Sleeping Bag Big Agnes removed the Insulation from the bottom of the bag and designed it to be used with a corresponding sleeping pad, thus providing an integrated sleep system with everything you need and nothing you don't New design improves connection between pad sleeve and bag providing a roomier sleeping space without adding bulk New contour allows the bag to drape around you, increasing Insulation Performance Stretch fabric panels on the side of the pad sleeve accommodate different pad thicknesses Corner hand pockets allow top of bag to be wrapped around shoulders much like you might with a comforter in a bed Double zippers allow entry from either side of bag and when unzipped allows top of bag to be used like a comforter Free Range Hood increases ability to lift and move head even when zipped Pillow Barn in hood holds camp pillow One hand hood cinch cordlock is simple and easier to use Zipper Garage stores zipper and eliminates Velcro Integrated full pad sleeve Rectangular shaped bag Liner loops YKK #8 zipper Park bags mate easily Nylon stuff sack Exterior loops for hang drying or storage No-draft collar, No-draft wedge, No-draft