TETON Sports Mammoth 20˚F Double Sleeping Bag Blue 109
TETON Sports Mammoth 20˚F Double Sleeping Bag
TETON Sports Mammoth 20˚F Double Sleeping Bag
TETON Sports Mammoth 20˚F Double Sleeping Bag
TETON Sports Mammoth 20˚F Double Sleeping Bag
TETON Sports Mammoth 20˚F Double Sleeping Bag
TETON Sports Mammoth 20˚F Double Sleeping Bag Grey 110
TETON Sports Mammoth 20˚F Double Sleeping Bag
TETON Sports Mammoth 20˚F Double Sleeping Bag
TETON Sports Mammoth 20˚F Double Sleeping Bag

Mammoth 20˚F Double Sleeping Bag

Sale price$149.99

The Mammoth Double Sleeping Bag is the perfect two-person sleep system when you’re looking to enjoy the outdoors together. The soft-to-the-touch liner, draft tubes, and mummy-style hood make it just righ... + Read More

Color:Blue Plaid
In stock
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The Mammoth Double Sleeping Bag is the perfect two-person sleep system when you’re looking to enjoy the outdoors together. The soft-to-the-touch liner, draft tubes, and mummy-style hood make it just right for snuggling. Simply bring one sleeping bag to eliminate the hassle of packing two separate sleeping bags and zipping them together. It’s thoughtfully designed so you’ll never want to leave the comfort of your sleeping bag.

  • Car camping double sleeping bag
  • Rated for cold temperatures
  • Sturdy taffeta shell
  • Soft-to-the-touch liner
  • Mummy style hood
  • Double-layer construction entire width and length of bag
  • Full-width baffles and full-length zipper and shoulder draft tubes
  • Sturdy anti-snag two-way zippers with metal pulls
  • Unzip completely to make two camp comforters
  • 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 if anything goes wrong.

    Product Reviews

    4.4
    Rated 4.4 stars
    Based on 7 reviews
    Total 5 star reviews: 3 Total 4 star reviews: 4 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
    100%would recommend this product
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    7 reviews
    • JH
      Jared H.
      Flag of United States
      Verified Buyer
      I recommend this product
      Rated 5 stars
      Oct 14, 2021
      5 Stars

      A fabulous bag. Can easily fit two adults or an adult and two children. We took it out of the sack and let if fluff up with air for a few hours and then returned it to the sack. We did this just to see what all the fuss was about concerning the difficulties people have returning the sleeping bag to it's sack. Re-packing our bag took about 55 seconds. Don't let the negative comments concerning this issue dissuade you from buying this sleeping bag. It's perfect for car camping. You'd never consider this for backpacking but that's not what it's designed for anyway. It's massive. They have videos on YouTube that go over all aspects of the item.

      Thanks Teton!

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    • YG
      Yves G.
      Flag of United States
      Verified Buyer
      I recommend this product
      Rated 4 stars
      Jun 19, 2021
      4 Stars

      Great sleeping bag very confortable and fluffy . but it's impossible to put in its bag when it is out. A larger bag will be ' great plus.

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    • JN
      JENNIFER N.
      Flag of United States
      Verified Buyer
      I recommend this product
      Rated 4 stars
      May 22, 2021
      4 Stars

      This bag is super warm, I live full time in a poorly insulated. RV traveling the country. Have been trying to figure out what the extra hook and loop closure are supposed to be used for. I get that part of it let's you have a bit more room around the shoulders. There are extra bits I'm not able to figure out and it's not shown on the website. Help please?

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    • G
      Grant
      Flag of United States
      Verified Buyer
      I recommend this product
      Rated 4 stars
      Apr 27, 2021
      4 Stars

      Super comfortable bag and plenty of room for a tall guy like me. The only downside is the stuff sack is too tight, it takes a small army to pack this up.

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    • AB
      Aaron B.
      Flag of United States
      Verified Buyer
      I recommend this product
      Rated 4 stars
      Apr 1, 2021
      4 Stars

      The sleeping bag is great. Warm and comfortable. But the carrying case is too small. It was a mammoth effort even just getting out in the first place. There's no way we can get it back in. Maybe that's why it's called Mammoth?

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    • BB
      Brooke B.
      Flag of United States
      Verified Buyer
      I recommend this product
      Rated 5 stars
      Nov 17, 2020
      5 Stars

      I LOVE this sleeping bag. It is super comfortable, very soft, and so roomy! I was thinking about getting this as a gift for my other family members, and after my experience the decision is clear!

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    • S
      Sarah
      Flag of United States
      Verified Buyer
      I recommend this product
      Rated 5 stars
      Nov 11, 2020
      5 Stars

      This sleeping bag is so warm and comfortable! It's also very large so there is plenty of room for me and my husband, and even our baby when she wants to cuddle with us. Highly recommend!

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    Questions & Answers

    Enjoy life outdoors: TETON Story & Values

    Enjoy Life Outdoors

    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.