Kelty Supernova 40F Degree Mummy Sleeping Bag - You'll find our Supernova down sleeping bag at both the backyard campout and the backcountry adventure - offering all the compact, lightweight warmth of our popular Cosmic Down, in a roomy shape that accommodates a wide range of body types and sleep positions! Lofty baffles and buttery-soft, recycled fabrics keep you cozy and comfy on colder nights, while an anti-snag zipper design with locking sliders enables you to let off steam when things heat up. Curl up next to the campfire with it opened like a blanket, or zip together with another Supernova to create a cozy double bag. The Supernova really does do it all! Features Bedroom comfort with backcountry performance Stuff sack included, for quick and easy departures Roomy, oversized fit accommodates a wide-range of sleep positions and body types Lofty, lightweight and warm 550 Fill Down Buttery-soft and durable, fully-recycled shell and liner fabrics with PFAS-free DWR Zippered internal stash pocket keeps your favorite devices close at hand Full draft tube and upper draft collar retain heat and enhance comfort Quad-stitch anti-snag zipper makes getting in and out easy Dual locking sliders for venting versatility Opens flat for use as a blanket, and can be zipped with another Supernova to create a cozy double bag