Coleman Ash Canyon 25-Degree Rectangular Oversize Sleeping Bag Oversize sleeping bag with 3rd-party temperature rating of 25 degrees F Coletherm insulation creates pockets of air to serve as an extra warmth barrier 100-percent cotton cover and cozy cotton flannel liner are soft to the touch ThermoLock function reduces heat loss through zipper coils; machine-washable Wrap 'n' Roll system for easy storage; measures 79 x 39 inches; 5-year warranty