Nanga ZZZ 0 Sleeping Bag - HorizonNanga 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 0, are replete with functional materials and details. This is a three season bag designed to perform from early spring to late autumn, and has been constructed from a lightweight 20d nylon ripstop with NATURALOFT synthetic insulation the first