Does pride of ownership mean anything to you? Does being warm no matter what mother nature throws at you sound appealing? Does the ability to toss and turn inside your bag sound like a better way to sleep? Are you willing to pay a bit more for an exponential gain in quality and substance?
If you found yourself answering yes to the above then look no further than the Western Mountaineering Bristlecone MF. In my opinion this is the Da Vinci of sleeping bag design and execution. Rated for -10 F this bag is uber warm and adaptable. Various zipper configurations allow you to tailor the bag to your requirements from wide open like a comforter to zipped tighter than a can of tuna.
The Micro Fiber shell and interior is ultra soft and comfortable, beefy draft tubes cover all zippers and an adjustable draft collar and hood insure you can seal out the elements and seal in the heat. The zippers are backed by the most fail safe snag free tape I have seen on a sleeping bag. No midnight fears of the dreaded zipper snafu when its dark, you’re tired, and mother nature calls.
I have the long model at 6-6 which leaves plenty of space for clothes or other items at the foot for warm wear in the mornings. I am not overly large. At 5-10 215lbs however, I found my old bag was just too narrow for ultimate comfort. With the Bristlecone, there is plenty of room to move comfortably inside the bag without the claustrophobia that many bags exhibit.
Granted, this bag is not ultra light and its stuff dimensions are not the size of a water bottle but the trade off in size delivers in spades on the comfort and warmth level.
While my backpacking days are over, I would still carry this bag in a pack if warmth and comfort were my goal. Currently I use the bag for car camping, paired with a cot and dream time air/foam mattress from Cascade. The only thing missing is a cover turn down and mint on the pillow at bed time.
If you can afford it, I encourage you to purchase this bag for your cold weather adventures. It will not only keep you toasty warm, it will make you smile with pride every time you crawl into it. Don’t be surprised if you find yourself sleeping in a little longer in what is truly the benchmark by which all other bags should be judged.

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Northface, Marmot

I have been camping for 30 years and have had numerous cold weather bags.The bristlecone is the best I have,never been cold yet.The only complaint is that is large for backpacking, however I won't winter camp without it!A Plus,plus

Customer Service

never needed them, probably won't

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Sierra Designs, REI

I’m 6'3" tall 260 .It’s made for the Bigfoot among us. This bag is outstanding! The build quality is superb. I recently tested it out at Hancock campground in the whites. The temps that weekend got down around -8 and were not even remotely cold. I couldn’t even imagine getting cold in it. I got the long version so I could put my boots in the bottom and found that it has another zipper that only opens the foot section so you don’t have to unzip the whole thing (Great idea). The zippers never snagged. I can wiggle around a lot, its light for its size and it’s very warm what more can you ask for? I can’t imagine going back into the cold without it. If you’re of Bigfoot size and enjoy winter camping get this bag you won’t regret it.

Customer Service

Never had to call them

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North Face Goliath, LL Bean Bags

Finally, a sleeping bag for a fat guy! Seriously this is a super bag for anyone wanting a lot of room to wiggle. I don’t really climb much I like snowshoeing, and I’m not terribly weight conscious. Being a person of wide beam I really loved the extra wide cut of this bag. It’s rated for –10, but with long underwear and wool socks I spent two nights at –22 without being uncomfortable. Highly recommended to anyone tired of squeezing into narrow mummy bags.

Customer Service

I have yet to deal with them.

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None