Fahrenheit 20˚F Mammoth Double Sleeping Bag
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.
More details about the Fahrenheit 20˚F Mammoth Double Sleeping Bag:
| Best Use: | Camping |
| Sizing Note: | TETON's extra cozy sleeping bags are often bulkier than customers expect. This sleeping bag is considered oversized, and is great for camping by your car or RV, but won't work for backpacking. |
| Material Overview: | Polyester Taffeta, Cotton Flannel, and SuperLoft Elite Single Channel Hollow Fiber |
| Zipper Type: | Two-way U-Zip means you can unzip completely to make two camp comforters |
| Shell Material: | Polyester Taffeta |
| Liner Material: | Cotton Flannel |
| Fill Material: | SuperLoft Elite Single Channel Hollow Fiber |
| Dimensions (in use): | 94" x 62" |
| Dimensions (stored or packed): | 27" x 14" x 14" |
| Pack Weight: | 15 lbs. |
| Storage Method: | Compression Sack |
| Temperature Rating: | 20F / -7C |
| A Note About Temperature Ratings: | Most of our sleeping bags list an extreme rating. Because of this, it’s important to consider your sleeping preferences when selecting a bag. If you like things toasty, we recommend adding 20° to 30° degrees to the listed temperature rating when selecting a bag. For help selecting the perfect bag, contact us. |
| Country of Origin: | China |
| Care Instructions: | Learn how to care for a TETON sleeping bag. |
| For California Residents: | Prop 65 Warning |
Please note: We do not ship to P.O. boxes. Please provide a physical shipping address when checking out.
We ship from our warehouse in Salt Lake City, Utah via various methods, including USPS and FedEx. If an item is available for sale, it is in stock in our warehouse and will ship as soon as the payment processes, usually within 1 business day of your order.
Once shipped, orders typically take approximately 3 to 5 business days to arrive.
Standard shipping is free for orders $75 and above—after discounts are applied and before taxes and shipping are calculated—to destinations in the continental 48 US states.
When you place an order, you will get a confirmation email. Once your order has left our warehouse, we will email your tracking information to you. Your carrier can give you an estimated arrival date. Most carriers provide step-by-step updates if you request them.
Express shipping is available via FedEx. Rates are calculated by package weight and destination. These options and their rates will be available during checkout.
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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
- RHRyan H.Verified BuyerReviewingFahrenheit 0˚F Mammoth Double Sleeping BagI recommend this productRated 5 out of 5 starsDec 13, 2022Ryan H
Money very well spent excellent quality very comfortable sleeps to you with plenty of room very happy with my purchase .
- SBSheila B.Verified BuyerReviewingFahrenheit 20˚F Mammoth Double Sleeping BagI recommend this productRated 5 out of 5 starsDec 10, 2023Great product!!
I bought this bag for my dad! He is a tall guy. He loved it. Kept him warm with plenty of room.
- TTylerVerified ReviewerReviewingFahrenheit 0˚F Mammoth Double Sleeping BagI recommend this productRated 5 out of 5 starsJul 7, 2023Giant cozy & easy to handle!
We love this sleeping bag! This is my first double sleeping bag & it did not disappoint! We love that it has zippers so that each side can open independently so if one person wants it cooler & the other doesn’t it allows for that, or can be zipped apart into 2 pieces for easier washing since this thing is so ginormous. Super warm! Zippers are sturdy. Could go on & on. First time getting it out after purchasing it took some muscle & patience it didn’t slide right out but wasn’t that bad. Putting it back in the sack we just stuffed it in then cinched everything down no problem, I’m not sure why people say they had so much trouble with it, I was definitely prepared to return it if we couldn’t get it back in the bag lol but then again we did have it in two pieces from washing it so we put one half at a time maybe that made a difference??
Best sleeping bag ever!
- GAGosia A.Verified BuyerReviewingFahrenheit 0˚F Mammoth Double Sleeping BagI recommend this productRated 4 out of 5 starsJun 2, 2023super warm
The comfort of this sleeping bag is outstanding. I've struggled to keep warm camping in Colorado, and with this sleeping bag we were toasty, even too warm (late May, temps in mid 30s) when sleeping in the back of our Outback. Pretty big to begin with, once taken out of the bag it quickly puffs up and gets very large. This means fluffy and comfortable. One star off for all the sweat and swears required to put it back in it's bag.
It's nearly impossible.
- CKCarl K.Verified BuyerReviewingFahrenheit 0˚F Mammoth Double Sleeping BagI recommend this productRated 5 out of 5 starsMay 8, 2023Awesome sleeping bag
It’s massive! I’m over 6’3” and there loads of room! Feels high quality and should last a life time. Really pleased with it.
- TBThomas B.Verified BuyerReviewingFahrenheit 0˚F Mammoth Double Sleeping BagI recommend this productRated 4 out of 5 starsMay 8, 2023double bag review
Super comfy, super warm, just ENORMOUS and impossible to get back in its bag. It took me over 5 minutes just to get it out of the bag. Other than that, we love it.
TETON SportsMay 16, 2023Hi, Thomas. Thank you for your review of the Mammoth Sleeping Bag. We're sorry that you're experiencing so much difficulty storing the bag. I've included a link to a video below in hopes that it will help you to be able to stuff the sleeping bag a bit easier.
https://www.youtube.com/watch?v=8G_ibRTroIA&list=PL9DD589BE4F42A39F&index=2&t=72s
Please reach out to our customer support team at info@tetonsports.com if you need any additional help.
- PMPhil M.Verified BuyerReviewingFahrenheit 0˚F Mammoth Double Sleeping BagI recommend this productRated 5 out of 5 starsApr 10, 2023Great bag
This sleeping bag really does keep you warm. My wife and I put a tent up in the snow at Tehachapi Mountain park. It was around 28 degrees and we were both very warm and cozy in this bag. Worth every penny. I would highly recommend this bag to anyone. Great size also. We both fit inside with plenty of room to move around. I would not hesitate to buy one of these again.
- SGSteven G.Verified BuyerReviewingFahrenheit 0˚F Mammoth Double Sleeping BagI recommend this productRated 5 out of 5 starsMar 31, 2023Best sleeping bag ever
I purchased a sleeping bag for any of it. Unfortunately I didn’t get it in time for the event but their customer service was great. They were even willing to meet me at Sand Hollow and bring me a sleeping bag that I bought. Can’t get better service than that when I got home. My sleeping bag was there and I think it’s great. I used it this week, and after 27 years in the army with my military sleeping bags that do keep me very warm. This sleeping bag gave me more room and comfort and warm. Highly recommend them.
- BHBrian H.Verified BuyerReviewingFahrenheit 0˚F Mammoth Double Sleeping BagI recommend this productRated 4 out of 5 starsMar 20, 2023This thing will keep you warm!
I already had the 1 person bag. Bought this for a trip to Colorado for my wife and I. The size is perfect and it kept both of us incredibly warm (borderline hot) while it was 10 degrees outside. My only complaint is the masochistic process of trying to put the bag back in the compression sack (and yes, I watched the tutorial videos)
- LCLawrence C.Verified BuyerReviewingFahrenheit 0˚F Mammoth Double Sleeping BagI recommend this productRated 5 out of 5 starsMar 13, 2023Worked out great
I really like the sleeping bag, very comfortable
Questions & Answers
