Marmot Phase 20 Sleeping Bag

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Enjoy easy sleep when backpacking in frosty temperatures. The Marmot Phase 20 sleeping bag's ultralight fabric and water-resistant down and baffled construction make it the ultimate dream factory.

  • Features

    • Certified 850-fill-power down insulation with Down Defender to fend off moisture
    • Smooth, curved baffles reduce down shifting and cold spots; multi-baffle hood limits heat loss
    • Anatomical, wraparound footbox increases insulation and room for your feet, creating more warmth and comfort
    • Full-length, locking YKK 2-way zipper with antisnag slider is backed by a snagless insulated draft tube
    • Internal stash pocket
    • EN tested
    • Filled and finished in Rohnert Park, California

    Imported.

    Many sleeping bags are rated for temperature by an independent testing protocol. REI and the broader industry now use the International Organization for Standardization (ISO) 23537 protocol, which improves on the older European Norm (EN) 13537 standard; you may still see older items in our assortment that were only EN tested. With either protocol, each bag gets a Comfort (or T-Comfort) rating and Lower Limit (or T-Limit) rating. The Comfort rating is the lowest temperature at which the bag will keep the average "cold sleeper" comfortable, and the Lower Limit rating is the lowest temperature at which the bag will keep the average "warm sleeper" comfortable. Ratings are based on a person wearing one long underwear layer and a pair of socks, sleeping on an insulated surface with a minimum R-value of 5.38. Many brands use the Comfort rating for women's bags and the Lower Limit rating for men's and unisex bags. Everyone's body and sleep comfort differ, and conditions of use (posture, clothing, sleeping pad R-value, wind, humidity, etc.) affect total insulation, so EN and ISO ratings are intended as a guideline to help you compare products, rather than a guarantee of warmth.
    View all Marmot Men's Sleeping Bags
  • Technical Specs

    Best Use

    Backpacking

    Tested Lower Limit

    18.5 degrees (F) - EN

    Tested Comfort

    29.5 degrees (F) - EN

    Temperature Rating (F)

    18.5 degrees

    Temperature Rating (C)

    -7 degrees

    Ultralight

    Yes

    Shell

    Pertex 10-denier ripstop nylon

    Zipper Location

    Left

    Insulation Type

    Down

    Water-Resistant Down

    Yes

    Fill

    Goose down

    Lining

    Pertex 10-denier ripstop nylon

    Sleeping Bag Shape

    Mummy

    Stuff Sack Size

    7.5 x 16 inches

    Stuff Sack Volume

    11.6 liters

    Gender

    Unisex

  • Reviews
    42 reviews with an average rating of 4.3 out of 5 stars

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