Eberlestock Reveille Sleeping Bag 3-season bag with the best synthetic insulation on the planet, Same as the Carinthia Military Defense 4 Sleeping Bag This top-of-the-line European-made synthetic bag will go head-to-head with any synthetic bag on the planet. This great 3-season bag can be combined with our Ultralight bag (with the latter used as a liner), which turns the pair into an excellent cold weather bag. If you buy both, you will be ready for any environment. The Reveille features Carinthia G-Loft insulation, the best synthetic insulation on the planet. This type of bag is recommended for environments where you may encounter wet conditions, as G-Loft maintains very good insulation performance and keeps its loft when damp.  PRODUCT INFO     Comfort rated to 5 F. Practical "push" rated to -36 F    Sizes: Regular for body height up to 72.5". Long for body height up to 78.7"    Weight: 4.0 lbs   Eberlestock Reveille Sleeping Bag