Weatherwool Sleeping Bag

Price range: $707.00 through $862.00

The same trusted design as the Rewilder with a powerful new material.
We’ve upgraded our signature sleeping bag with a Weatherwool liner for next-level comfort and performance. Enjoy stronger wicking, faster breathability, greater durability, and the same ultralight feel as before — now with the natural resilience of premium wool. Stay drier, warmer, and more comfortable through every shift in temperature and terrain.

Why Weatherwool Changes Everything

Our new Weatherwool-lined Rewilded Sleeping Bag takes natural performance to the next level. While the overall design, insulation, and weight remain the same, the liner material now delivers:

  • Superior moisture-wicking to keep you drier through temperature swings and overnight humidity

  • Enhanced breathability so heat and moisture move away from your body faster

  • Greater durability thanks to Weatherwool’s tightly woven, rugged wool fibers

  • Natural warmth even when damp, preserving insulation in real-world conditions

  • Sustainable, fully domestically produced and milled materials, domestically raised sheep using sustainable management and milled in the USA.

  • Same weight as the standard Rewilder.

  • Available in undyed white only.

This upgrade brings you a sleeping bag that performs better in changing climates, lasts longer in the field, and keeps your sleep environment naturally balanced — without adding weight or complexity.

Weatherwool has become the #1 trusted name in outdoor wool clothing and fabric Visit their website here to find out why.


Rewilder Sleeping Bag — Now Lined with Weatherwool

Rest Like Never Before

Wool ensures a deeper, more rejuvenating sleep by naturally regulating your heart rate and body temperature. The result? You wake up with vigor, ready to conquer the trails and seize the day with unparalleled energy.

Unmatched Performance

Recognized for its unique ability to feel dry even when damp, wool crushes other materials, including down. Countless customers have recounted survival tales, crediting their Lucky Sheep bag as the lifesaver during critical moments.

Stay Comfortably Dry & Toasty

Where synthetic sleeping bags leave you feeling moist and sticky, wool guarantees consistent warmth and dryness.

Adaptable for Every Season

Owing to wool’s incredible body temperature regulation, our sleeping bags can be fully opened during hotter nights and snugly sealed in colder months. Maximize warmth by wearing additional woolen clothes inside the bag.

Efficient and Lightweight

Given the restful sleep, the comfort in wet conditions, and a weight of just four pounds (suitable for up to 20 Degrees F), integrating the Rewilder 20 Lucky Sheep wool sleeping bag in your gear set is a no-brainer. Envision it as an essential 14-liter addition to your equipment collection.

A Breath of Fresh Air, Literally!

Pull your wool sleeping bag over your head and breathe with ease. This simple act enhances temperature range since the air you breathe doesn’t need warming. And any moisture? Swiftly taken care of through the heat of adsorption.

Soft & Luxurious

Forget additional liners! Our sleeping bags have a built-in merino wool liner, offering peak performance for the rugged outdoors. For those keen on bag longevity or extending temperature range, we do provide removable merino liners not included with this product.

Time to Embrace Wool Wholeheartedly

Hundreds have transformed their outdoor sleeping experiences with Lucky Sheep sleeping bags. With wool, every weather becomes an invitation to adventure – a little moisture or cold? Just laugh it off and say “baa baa!”

Specs Chart for Rewilder 20 Fahrenheit rating (-6.6 Celsius)

LengthGirth (diameter around shoulders)Size of person it fitsWeightVolumeCompressed Dimensions
medium/76″ (193cm)standard/ 56″
147 cm
up to 5’10”
(162 cm to 178 cm)
4.0 lbs./
1814 grams
22 Liters11x11x11 inches/
28x28x28 cm
Long/ 82″
208 cm
standard/ 56″
147 cm
5’10” to 6’4″
178 cm-193 cm
4.25 lbs./
1927 grams
28 Liters12x12x12 inches/
30x30x30 cm
Medium/ 76″
193 cm
Wide/ 66″
162 cm
up to 5’10”
(162 cm to 178 cm)
4.25 lbs./
1927 grams
28 Liters12x12x12 inches/
30x30x30 cm
Long/ 82″
208 cm
Wide/ 66″
162 cm
5’10” to 6’4″
178 cm-193 cm
5.0 lbs./
2267 grams
36 Liters13x13x13 inches/
33x33x33 cm
These sleeping bags are designed to be used by pulling the top over your head in cold weather so you are breathing inside the sleeping bag. The wool will remove the moisture from your breath by heat-of-adsorption and you will sleep approximately 10 degrees Fahrenheit warmer than with you head outside the bag.

Specs Chart for Rewilder 10 Fahrenheit rating (-12 Celsius)

LengthGirth (diameter around shoulders)Size of person it fitsWeightVolumeCompressed Dimensions
medium/76″ (193cm)standard/ 56″
147 cm
up to 5’10”
(162 cm to 178 cm)
5.0 lbs./
2267 grams
28 Liters12x12x12 inches/
31x31x31 cm
Long/ 82″
208 cm
standard/ 56″
147 cm
5’10” to 6’4″
178 cm-193 cm
5.25 lbs./
2381 grams
30 Liters12x12x13 inches/
30x30x33 cm
Medium/ 76″
193 cm
Wide/ 66″
162 cm
up to 5’10”
(162 cm to 178 cm)
5.25 lbs./
2381 grams
30 Liters12x12x13 inches/
30x30x33 cm
Long/ 82″
208 cm
Wide/ 66″
162 cm
5’10” to 6’4″
178 cm-193 cm
5.5 lbs./
2494 grams
45 Liters14x14x14 inches/
36x36x36 cm
These sleeping bags are designed to be used by pulling the top over your head in cold weather so you are breathing inside the sleeping bag. The wool will remove the moisture from your breath by heat-of-adsorption and you will sleep approximately 10 degrees Fahrenheit warmer than with you head outside the bag.
Width of Sleeping Bag

Medium 56"/ 141 CM, Wide: 66" / 162 CM

Length of Sleeping Bag

Long (Fits people up to 6'4" or 198 cm), Standard (fits people up to 6 feet or 193 CM)

Temperature Rating

10 F. / -12 C / Three Inch Loft, 20 D. F./ -6.6 C. /Two Inch Loft

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