TETON Sports

Fahrenheit 20˚F Mammoth Double

Fahrenheit 20˚F Mammoth Double - Main image
$121.99 $199.99 In stock

Category: Amazon Exclusives - Sleeping Bags & Liners

The Fahrenheit 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 cotton 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 cotton 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




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    Standard Shipping · United States: $0.00

    Express Shipping · United States: $3.99

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    United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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    Customer Reviews (4.8 / 5 · 5 reviews)

    Benjamin R. ★★★★★

    The draft tubes make a huge difference—no more cold drafts sneaking in at 3 a.m. even when we camped in the low 20s. The cotton liner feels genuinely soft against skin, and the mummy hood cinches down snug enough that we both stayed warm all night.

    David C. ★★★★★

    My partner and I finally ditched our separate bags for this double, and the cotton liner makes a huge difference—no more clammy synthetic feel against my skin. The draft tubes along the sides kept the cold out even when we rolled around at 2 a.m., and we both slept way warmer than I expected.

    Abigail U. ★★★★★

    Got this for weekend trips with my partner, and the cotton liner is ridiculously comfy—way softer than typical bag material. The draft tubes kept the chill out even when temps dipped near freezing, and we both fit without feeling cramped. Only wish the mummy hood had a bit more give, but for snuggli