Natural-fiber gear for backpacking, camp & cold nights

Wool Sleeping Bags & Natural-Fiber Outdoor Gear

Backpacking, winter camping and outdoor gear made from wool, organic cotton and beeswax — without PFAS or synthetic insulation. The Rewilder is a 20°F, 4 lb natural fiber sleeping bag for backpacking that stays comfortable when conditions turn damp.

  • Backpacking
  • 20°F / −6°C
  • 4 lb / 1.8 kg
  • Made in USA

4.7 Google rating · Lifetime workmanship guarantee · Ships in 2–5 days

Backpacker sitting up in a blue Rewilder wool sleeping bag on a felt pad at a frosty Blue Ridge dawn, silnylon tarp on trekking poles and organic canvas backpack behind — Lucky Sheep
  • Lifetime workmanship guaranteeWe repair or replace defects. Period.
  • US-raised, US-milled woolWeatherWool® & merino from American flocks.
  • Ships in 2–5 daysFrom Burnsville, NC. International available.
  • Free swatch packFeel the materials before you buy.
The Rewilder 20°F wool sleeping bag, 4 lb, packed to 11 × 11 inches — Lucky Sheep

Meet the Rewilder

A 20°F backpacking sleeping bag that stays comfortable when conditions turn damp.

Wool insulation. Organic cotton shell. No synthetic fill. No PFAS. The lightest all-natural backpacking bag we know of — and the one that keeps insulating when down and synthetics give up.

  • 20°F / −6°C · 10°F option
  • 4 lb / 1.8 kg
  • Packs to 11 × 11 in
  • US wool
  • No synthetic insulation
  • From $557

Yes, it’s heavier than down. Here’s what the extra ounces buy.

20°F sleep systemThe Rewilder (wool)Typical down quiltTypical synthetic bag
Weight4 lb / 1.8 kg1.3 – 1.5 lb~3 lb
Packed size11 × 11 involleyball~9 × 15 in
Warm when wetYes — keeps insulating dampNoPartly
BreathabilityHigh — no membranes or coatingsLowLow
NoiseSilentCrinkly nylonCrinkly nylon
Plastic contentPFOS-free zipper onlyShell + often fillAll of it
Repairable & re-waxableYesRarelyNo
GuaranteeLifetime workmanshipVariesVaries

Down/synthetic figures are ranges from 2026 independent 20°F sleeping-bag tests (1.3–3.0 lb field). The Rewilder is about three times the weight of the lightest down quilts — and the only one on the table with nothing synthetic in it.

Gram-aware, not gram-obsessed. See the full spec sheet

From the field

★★★★★
Hands down the most comfortable sleeping bag I’ve ever used. In the backpacking world you typically have two options, down or synthetic. Now there’s wool — and it finally fits in a backpack. Your compromise is added weight, but every ounce is worth it when your sleep improves so dramatically. Climb in wet, wake up dry.
Chris Holmes · The Rewilder
★★★★★
Lightweight enough for backpacking. If you have cold feet, they’ll warm up a lot faster than even lower-temperature-rated down bags. Absolutely one of the best investments I have ever made.
Jason Stoher · The Rewilder
★★★★★
At 8,000 ft the temperature dropped below freezing and we got a powerful rain storm. Much of my clothing was wet. I was still able to stay warm and cozy even in the worst of conditions.
Keven Anderson · The Rewilder
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Bradley Pitts profile picture
Bradley Pitts
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I used the bag this weekend and loved it! All my friends were wearing layers in their bags and were still cold. I was able to sleep comfortably without any layers inside my wool bag and used the uninsulated section for temperature control. Worked great!
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Catheryne Harsh profile picture
Catheryne Harsh
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I absolutely LOVE my Lucky Sheep sleeping bag, camp pillow and merino wool insert. I really laboured over investing in this sleeping bag (bc hey, merino wool aint cheap!) but after finally pulling the trigger, I had no regrets. I toted that thing all over the West while camping and house sitting. It is so incredibly soft, well-made and cozy. I was tired of sleeping in plastic, and this high vibe piece of functional art is an exponential upgrade--it is something to treasure. My friends are tired of hearing me talk about "the sleeping bag". If you are on the fence, just do it. You can feel the difference once you touch it in person.
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David Fife profile picture
David Fife
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Before purchasing my Rewilder sleeping bag, I reached out to Lucky Sheep with an inquiry if they could insulate it all the way to the zipper. As a side sleeper, I was concerned that rolling back-and-forth frequently, the design might not work well for me. I was pleasantly surprised that not only did I receive a prompt reply, but it was thoughtful and personalized, and even more surprisingly, Patrick Clark responded himself that they were willing to make me a custom bag. We received absolutely excellent customer service and a very fair price. In fact, I researched making my own bag and just the supplies would cost as much. I have slept in my bag on several campouts so far and I love how soft and snuggly, delightfully warm and lightweight it is. The bag is quiet when you move, unlike a crinkly flattened down bag. I did have to repair a few tears in the fine merino lining at the quilting ties; I think my wool sweater was too rough on it. I enjoy breathing inside the bag when the weather is freezing. I have the 10° version and I am a cold sleeper. I believe that wool batting is the ultimate choice for warmth, breathability, fire retardancy, it is antimicrobial, warm when wet, repeatedly compressible without damage, and biodegradable once it reaches end of life for the most ethical choice from cradle to grave. I will never buy down again. I highly recommend the Rewilder sleeping bag and I hope that more people discover how superior it is to any other sleeping bag on the market.
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AJ Nolan profile picture
AJ Nolan
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Ordered a wool sleeping pad and was sent the wrong amount of wool layers and was told to send it back by Lucky Sheep. Sent it back and was told it did have the correct amount of layers (it did not, I ordered 6 and counted 4) and was then told I would have to pay a $200 shipping fee to sent it back to me. This was not talked about and now he has stopped responding to my emails and is keeping my pad and my money. Be wary...
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Rourke Manuta profile picture
Rourke Manuta
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I have had the ReWilder for three years now and believe it is one of the best pieces of gear I have ever purchased. The quality is top notch, especially considering I am very rough with my gear. The ReWilder is still in like-new condition. The construction of the bag, especially how the wool is kept in place with horizontal cords is ingenious. You can feel the quality of the materials, there is no doubt that it is non-toxic. I happen to be a human who has chemical sensitivities, and this bag makes me feel better when I sleep in it. Next is the versatility. There are four distinct ways I use this bag for sleeping. First is completely opened up as a blanket. This makes the bag comfortable in temps around 50-60F. The second is to cinch up the feet end and zipper the bag up a few inches. This method is fantastic in slightly cooler weather where you can secure your feet in this little cubby, but use the rest of the bag as an open blanket. Third is to zipper the bag closed with the zipper on top. Here I can be comfortable in temps down to freezing. When it is colder than this, the fourth way to use the bag, is to turn the zipper side under you, which creates even more insulation. Due to these four variations, I can use the bag for nearly the whole year where I live. I recommend the ReWilder for its durability, wool enhancing properties, and versatility. There is nothing else like the ReWilder out there and the company Lucky Sheep is fantastic to work with. This bag was designed for use outdoors by someone who actually uses the bag. When I crawl into the ReWilder, I know I will have nourishing and deep sleep.
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Tamara Visser profile picture
Tamara Visser
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After receiving a sleeping bag I had a couple questions. Patrick graciously took my call, answered my questions, and offered great all around service. I am excited to start using this amazing work of love!
Posted on Google Google
Igor G profile picture
Igor G
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I bought a wool sleeping bag with merino liner from Patrick in July 2016. The initial cost was hard to swallow, but I am very happy with my purchase. This bag has traveled with me across three continents and it fits nicely inside my Gossamer Gear backpack. I have also used it almost exclusively for regular sleep on a mattress not just camping. It works great as a comforter bc the bag unzips and opens like a book. After so much use, the merino liner on the inside of the bag did get some tears but these were easily sewed up by a tailor for 20 euros. I will keep this bag for as long as I can and would buy it again in a heartbeat.
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Colin Sternagel profile picture
Colin Sternagel
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I've never looked back at a synthetic bag. I slept more in this bag over the last Spring Summer and Fall then my own bed at home. Primarily because of my line of work has me in the outdoors for weeks at a time. Every night with glee I crawled into my Luck Sheep bag. I keep it by the couch when at home to crawl into when at home.
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SJ profile picture
SJ
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Absolutely one of the best investments I have ever made in my life (and I mean...OVERALL!!! Not just for camping)!!! The fact that you can crawl into it when it gets cold and the wool/cotton combo wicks moisture away while keeping you warmer and can lower your blood pressure, getting you into REM sleep easier is worth it alone. I have the thickest loft and it’s still lightweight enough (by far) for backpacking. If you have cold feet, they’ll warm up a lot faster than even lower temperature rated down bags. I cannot recommend Lucky Sheep enough!!!
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Chris Holmes profile picture
Chris Holmes
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Hands down the most comfortable sleeping bag iv ever used, finally a company making full wool organic sleeping bags with a mommy cut for the average thru-hiker. In the backpacking world, you typically have two options, down or synthetic, both have their advantages and disadvantages. But then theres wool, standing in a category of its own and finally fits in a backpack thanks to lucky sheep's unique design, unlike synthetic or down, you don't have to worry about embers from a fire instantly burning a hole in your bag, and the ability to trap your breath inside the bag for an increase in temperature rating is unmatched. Your compromise is added weight, but every ounce is worth it when your sleep improves so dramatically, climb inside wet and wake up dry, youl never get too hot, and you actually FEEL warm when it counts! (6 month review after sleeping in the bag practically every night)
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Why natural fibers perform

Wool, cotton and beeswax have kept people warm and dry for millennia. We just engineered them for a pack.

Warm when damp

Wool keeps insulating at 30 % moisture. Down doesn’t.

Breathes, never clammy

No membranes, no coatings. Vapour moves out; you stay dry.

Regulates temperature

Fewer 3 a.m. wake-ups sweating or shivering as the night shifts.

Natural fibers, zero PFAS

No synthetic fills or fabrics, no DWR, no foam. Nothing to off-gas in your face all night.

Built for decades

Repairable, re-waxable, and guaranteed for workmanship for life.

Fall backpacking, sorted

Cold mornings, wet afternoons, long nights. One natural-fiber kit that handles all three.

  • Sleep — The Rewilder 20°F · 4 lb · from $557
  • Carry — Lightweight organic canvas backpack · 65 L · 32 oz · $350
  • Shell — Waxed canvas rain jacket · breathes, PFAS-free · $525
  • Layer — Merino wool buff · $32
Hiker climbing a rocky trail with the Lucky Sheep organic canvas backpack

What it’s made of

WeatherWool® & merino batting

Warm at 30 % moisture, no cold spots — batting, not baffles. US-raised, US-milled.

Beeswax-treated organic cotton

Wind- and rain-resistant without DWR or coatings. Re-wax it yourself with Trail Wax.

Built to be repaired

Replaceable hardware, PFOS-free zippers, tough polyester thread. Every seam can be re-sewn.

Sleeping bags and bedrolls are cut and sewn in the USA from US wool. Read the materials guide

Rewild your adventures.

New from the field guide: sleeping warm outdoors, the science of wool, non-toxic gear, shelter craft and rewilding practice — plus first word on new gear and restocks.

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