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A favorite among The Mountain Hardwear alpine climbing team, the Phantom™ 0 is The Mountain Hardwear 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 poSible.

A favorite among The Mountain Hardwear alpine climbing team, the Phantom™ 0 is The Mountain Hardwear 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 poSible.

Designed to be warm and as light as possible, the Mountain Hardwear Phantom 15 Degree Sleeping Bag for women 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.

Designed to be warm and as light as poSible, 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.

Designed to be warm and as light as poSible, 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.

Designed to be warm and as light as poSible, 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 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.

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 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.

You won't believe how much warmth and comfort you get from such a small package - the Nitro packs into a tiny sack (included), but stays toasty to 15 degrees. We build in Flex™ between the shoulders and knees, so you get the comfort and thermal benefits, while saving precious ounces. Continuous baffling and a draft tube contain 800-fill goose down, the warmest, lightest insulation available.

Designed with the highest quality 800+ Eastern European goose down, The North Face Nebula 15 degree mummy sleeping bag 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.

Designed with the highest quality 800+ Eastern European goose down, The North Face Nebula 15 degree mummy sleeping bag 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.