Mountain Hardwear Bozeman Winter Sleeping Bag - 15°F / -9°CMountain Hardwear Bozeman Winter Sleeping Bag 15F 9C After a night of driving through the Rockies to get to your destination, lay the backseats down, slide into your Bozeman Sleeping Bag (or two), turn your stuff sack inside out and into a fleece pillow, and start dreaming of frozen falls and swinging axes. No matter your sleep style, there's a configuration to match. Even if you're going old school, full zip mode, you get a less mummified mummy fit