The Big Agnes Elk Park -20 Degree Sleeping Bag is a synthetic sleeping bag for winter camping. When the temperatures drop but you've still got the adventure in you, bring along the -20°F bag. It utilizes a full sleeve pad design, so don't forget to pack your winter sleeping pad as well. Ideal for larger campers, wide-shouldered folk or those that just enjoy plenty of room. The top-pocket corners allow you to snuggle in just like your comforter at home and the Free Range Hood offers plenty of space for your head. Features of the Big Agnes Elk 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