TETON Sports ALTOS 0˚F Down-Filled Mummy Sleeping Bag 2202BK
TETON Sports ALTOS 0˚F Down-Filled Mummy Sleeping Bag 2202BK
TETON Sports ALTOS 0˚F Down-Filled Mummy Sleeping Bag 2202BK
TETON Sports ALTOS 0˚F Down-Filled Mummy Sleeping Bag 2202BK
TETON Sports ALTOS 0˚F Down-Filled Mummy Sleeping Bag 2202BK
TETON Sports ALTOS 0˚F Down-Filled Mummy Sleeping Bag 2202BK
TETON Sports ALTOS 0˚F Down-Filled Mummy Sleeping Bag 2202BK
TETON Sports ALTOS 0˚F Down-Filled Mummy Sleeping Bag 2202BK

ALTOS 0˚F Down-Filled Mummy Sleeping Bag

Sale price$249.99

Step up your comfort. The ALTOS Down-Filled Sleeping Bags are designed with you in mind. The water-resistant down is perfectly distributed throughout the entire bag to keep you warm and comfortable. Thes... + Read More

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Step up your comfort. The ALTOS Down-Filled Sleeping Bags are designed with you in mind. The water-resistant down is perfectly distributed throughout the entire bag to keep you warm and comfortable. These bags provide more room for your shoulders, legs, and feet.

Step up your features. The ALTOS Sleeping Bags are compact when carrying them, but so lofty when it’s time for bed. The nylon shell saves on space and weight. It’s a backpacker’s ultimate solution.

Step up your value. The ALTOS Sleeping Bags are not only warm, comfortable, and easy to pack, they also have features you don’t usually see at this price, like sustainable down, a vaulted footbox, zipper draft tubes, and a 3-piece hood. Get the ALTOS Sleeping Bag and step up your adventure.

  • RSD fill (Responsibly Sourced Down)
  • Lightweight
  • Extra room in the footbox
  • Anti-snag zippers
  • Sturdy ripstop shell and soft liner
  • Two sewn-in hanging loops for storage or to air dry
  • Drawstring compression sack
  • Lifetime Warranty


  • All TETON Sports products are backed by a limited lifetime warranty.

    Built TETON Tough

    Our Lifetime Warranty

    All of our products are backed by a limited lifetime guarantee. Our products are built to withstand whatever nature throws at you, but rest assured, our warranty will help get your gear repaired or replaced is anything goes wrong.

    Product Reviews

    5.0
    Rated 5.0 stars
    Based on 3 reviews
    Total 5 star reviews: 3 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
    100%would recommend this product
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    3 reviews
    • JT
      Julius T.
      Flag of United States
      Verified Buyer
      I recommend this product
      Rated 5 stars
      Mar 17, 2021
      5 Stars

      I absolutely love this winter bag. Purchased in 2016 and still giving it a 5 star. Nice and warm. Packs down nicely and very comfortable. Slept in -40 in an MSR Hubba Hubba only in base layers. (I'm a hot sleeper my wife tells me)

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    • L
      Lauren
      Flag of United States
      Verified Buyer
      I recommend this product
      Rated 5 stars
      Sep 8, 2020
      5 Stars

      This is the best sleeping bag I have ever owned. I took my mummy bag on an overnight backpacking trip in the high Uintas where temps dropped to around 48-50 degrees. As someone who is always cold, I was a little nervous about staying comfortable overnight, but this bag was so much more than just comfortable. This sleeping bag kept me cozy and warm all night long!

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    • SK
      Shannon K.
      Flag of United States
      Verified Buyer
      I recommend this product
      Rated 5 stars
      Dec 18, 2019
      5 Stars

      It's not called the mummy bag for nothing. You will literally sleep cozy like a mummy!

      Was this helpful?
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    We believe the outdoors is there for everyone to enjoy. Whether you're blazing a new trail or just want to add a little fresh-air time to your hectic schedule, the outside world is waiting for you. We make the gear that will get you there.