A favorite among the Mountain Hardwear alpine climbing team, the Phantom™ 0 is Hardwear's lightest four-season bag. This snug mummy cut bag is insulated with 800-fill down, built from Superlight 15 denier fabric and tuck-stitched for durability. Extra insulation in the torso and footbox accommodates a woman's thermal needs in colder conditions.

A favorite among the Mountain Hardwear alpine climbing team, the Phantom 0 is our lightest four-season bag. This snug mummy cut bag is insulated with 800-fill down, built from Superlight 15 denier fabric and tuck-stitched for durability. The Phantom 0 uses every trick in the book to keep you warm while being as light as possible.

In demanding conditions waterproof/breathable fabric preserves the integrity of down. With a MemBrain® shell and the highest quality down available, the Helium EQ is a versatile ultra-light bag for mountaineering and backpacking.

Designed with the highest quality 800+ Eastern European goose down, The North Face Nebula 15 degree mummy sleeping bag for women is designed to ensure maximum warmth and comfort in temperatures dipping down to 15ºF. Made to withstand three-season exploration, this bag's durable, waterproof, HyVent™ shell endures mild exposure to snow and water.

The Spark helps you sleep well, even when the mercury falls to 15 degrees. With Partial Flex construction you'll sleep more comfortably and more warmly than ever before. All without adding noticeable weight! We generously fill the continuous baffle construction with 800-fill down, distributing more through the torso to bolster warmth. The down-filled draft tube and Jacket Hood take a miserly approach to your body's warmth-they horde it greedily! Twenty-denier shell material won't sprout down, resists tears, and saves on weight, too. The Spark stuffs to a tiny seven-by-17-inch package.

Voted Most Durable Ultralight- Backpacker Magazine's Gear of the Year Awards 2009Designed to be warm and as light as possible, the Women's Phantom 15 is a great all-around backpacking choice if you only want one bag. Extra insulation in the torso and footbox accommodates a woman's thermal needs in colder conditions. The Phantom 15 is insulated with 800-fill down, tuck-stitched for durability and built from Superlight 15 denier fabric.

Voted Most Durable Ultralight- Backpacker Magazine's Gear of the Year Awards 2009Designed to be warm and as light as possible, the Phantom™ 15 is a great all-around choice for colder conditions. This light, warm mummy cut bag has a snug fit and is an ideal choice if you only want one bag. The Phantom 15 is insulated with 800-fill down, tuck-stitched for durability and built from Superlight 15 denier fabric.

The popular Helium packs smaller than a loaf of bread, weighs less than two pounds and keeps you warm down to 15degree, making it ideal for lightweight mountaineering and backpacking.

The Women's Helium adds insulation where women need it most for warmth down to 15degree. At less than two pounds, it's ideal for lightweight mountaineering and backpacking.

Voted Best Fit- Backpacker Magazine's Gear of the Year Awards 2009Backpacking equipment isn't just a purchase, it is an investment. Invest wisely with the Marmot Pinnacle 15, an ever-popular, time-tested, certified 800+ Goose Down sleeping bag. Rated at 15®F, the Pinnacle is 3-season bag build with superb craftsmanship and an ultralight, water-repellent, windproof, downproof nylon microfiber shell ensures you will use this bag for years to come for a wide-range of activities.

How to make yourself impervious to winter's bone-chilling gales? Well, you could stay inside. But for the non-couch-potato types, our warmest fleece provides high-loft R2® on the inside and a velour fleece face, with a stretchy windproof laminate sandwiched between. It keeps you mobile and toasty and excels alone or under a shell. The lack of shoulder seams allows pack-wearing comfort, and the one chest and two high-placed handwarmer pockets (above harness-line) close with invisible zippers. Drawcord hem. Recyclable through the Common Threads Recycling Program.

Three season warmth in an extra wide, down bag. Semi-rectangular shape allows freedom of movement while the tuck-stitched baffling provides superior durability. Insulated with 600-fill down with our face gasket and 8-baffle hood to seal in warmth. Can be zipped together with another Merced bag.