For those colder nights at the campsite, rely on the trusty Kelty® Callisto™ 30 Rectangular Sleeping Bag to keep you warm as the Mercury drops. Coupled with double-layered quilted construction, innovative CloudLoft™ synthetic insulation works to trap your body heat for maximum warmth and comfort. Locking anti-snag zippers allow for easy maneuvering for venting or zipping two Callisto bags together for a double wide bag. Rated for temperatures down to 30°F, this sleeping bag is constructed of durable 190T Polyester Taffeta, further enabling it to trap your body heat while holding up to heavy, extended use. Fits men up to 6' 6".