The Cadillac of sleeping bags, the summit sleeping bag features the best materials in a superior baffling design for the most warmth and least weight. Just imagine the warmth when temperatures drop at night without packing more weight or bulk. The grid baffle design locks the down into key places adding more down where you need it to optimize warmth. It’s small in your pack; not only will your back thank you for choosing premium ultralight materials, but these materials also compress smaller taking up less space in your backpack. It includes a compression bag for better packing and Outdoor Vitals’ lifetime warranty. Available in regular and long sizes.