If you are a backpacker, then your backpack will not complete without one of the sleeping bags manufactured by Rei. This particular product is the most used sleeping bag by backpackers. Moreover, hikers and campers are also like to use this sleeping bag. The reason why they frequently use it is due to its feature and durability. The material used in this product is able to give better insulation. The zipper and hood feature also ensure the comfort of your sleeping. Before you go out for adventure, you need to bring sleeping back by Rei in your backpack. It will improve your backpacking experience.