YORKSTONE II Stay warm and comfy with your partner on camping trips with the Yorkstone II double sleeping bag. The Yorkstone II has a warm cotton flannel inner liner and a quilted 185 thread count polyester outer lining with a cire finish, which "heat seals" the fabric to help contain insulation fibers while repelling water. Other features include a woven reflective zipper pull, self-fabric closure with zipper pocket, 9 stitches per inch, and offset inside quilting to prevent cold spots. It comes with a compression sack with an ID tag. * Comfort Rating: +30 F * Fill: 6 lbs. ThermalC°™ * Shell: 185T polyester with cire * Liner: Micro denier with micro fleece foot * Size: 60" x 80"