・Two-layer off-set quilt construction for durability. ・Two-way locking blanket zipper. ・Cinchcord at the neck helps keep drafts out of your bag. ・Zipper draft tube with anti-snag design. ・Internal liner loops. ・Rectangular design to maximize comfort. ・Stuff sack included. ・Cinchcord around the feet helps keep them warm. ・Two Galactic 30 Degree sleeping bags can be zipped together to create a double-sized sleep system.