Nanga ZZZ 10 Sleeping Bag - ForestNanga built their reputation on developing sleeping bags designed to perform in some of the most extreme climates on Earth, so it's no surprise to learn that even their entry level models, like this ZZZ 10, are replete with functional materials and details. This is a two season bag designed to perform from early spring to late summer, and has been constructed from a lightweight 20d nylon ripstop with NATURALOFT synthetic insulation the first synthetic