Weighing in at just 22oz, The North Face Propel 40-Degree Sleeping Bag is an ultra-light fastpacking bag for warm-weather through hikes. Climashield Neo synthetic insulation keeps you warm and dry on early misty mornings, and compresses easily to fit in small packs. Using a welded technology to hold insulation in place and a short side zipper, The North Face keeps this 40-degree bag lightweight and strong. If your feet get too hot during the night, reach down, unzip the Propel Bags vaulted footbox, and stick your feet out. With a ripstop shell and soft lining, youll pack the Propel for all your summer and early fall trips.