You cherish the outdoor environment and at Coleman® we do, too. That's why our Flatlands™ cold-weather sleeping bags are made with 100% post-consumer-recycled polyester in the shell, liner, and Ecotherm™ fill. It's designed to keep you comfortable in mild weather and temps as low as 50°F. Plus, it's loaded with quality Coleman details. The premium zipper has snag-free ZipPlow construction and a Thermolock™ draft tube to keep cold air out.