You will be sure to stay toasty and warm on your next camping trip with the Kelty ; Equinox 40;F Sleeping Bag. Its soft synthetic insulation will keep you comfy down to 40;F. Its shell is made of mini ripstop fabric for durability and has an anti-snag zipper track for convenience. Its roll-and-go duffle-style stuff sack feature makes it easy to pack away for when you are traveling from place to place on any given camping trip.