SKU: 87668751838

Sierra Designs Cloud 20 800 Dridown Sleeping Bag

Sale price$1589.85 Regular price$1766.50
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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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Description

Sierra Designs Cloud 20 800 Dridown Sleeping BagThe Sierra Designs Cloud 20 800 DriDown Sleeping Bag The Sierra Designs Cloud 20 is a premium, zipperless three season down sleeping bag that combines the warmth of a mummy bag with the unrestricted comfort of a quilt. Featuring 800 fill power PFC free DriDown insulation, it provides excellent warmth even in damp conditions while packing down small for lightweight adventures. The unique overlapping comforter design and pad sleeve ensure you stay warm

The Sierra Designs Cloud 20 800 DriDown Sleeping Bag

The Sierra Designs Cloud 20 is a premium, zipperless three season down sleeping bag that combines the warmth of a mummy bag with the unrestricted comfort of a quilt. Featuring 800 fill power PFC-free DriDown insulation, it provides excellent warmth even in damp conditions while packing down small for lightweight adventures. The unique overlapping comforter design and pad-sleeve ensure you stay warm and comfortable all night without the hassle of zips.

  • Zipperless design - overlapping comforter provides easy access and a draft-free seal.
  • 800FP DriDown insulation - hydrophobic down retains loft and warmth even when damp.
  • Pad-sleeve base - keeps your sleeping mat securely in place and prevents rolling off.
  • Self-sealing foot vent - allows quick ventilation on warmer nights.
  • Lightweight 15D nylon ripstop shell - durable, soft and PFC-free water repellent treated.
  • Shaped hood and draft protection - locks in warmth around the head and shoulders.
  • Includes stuff sack and mesh storage sack - for compact packing and long-term storage.

Who is it for: Perfect for backpackers, bikepackers and wild campers who want a lightweight, high-performance down bag with zip-free comfort. Ideal for three season UK adventures from spring through autumn.

Temperature & Performance:

  • EN/ISO Comfort: 26°F / -3°C
  • EN/ISO Lower Limit: 15°F / -10°C
  • Real-world performance depends on clothing, sleeping mat and shelter setup.

Key Features:

  • Zipperless quilt-style top for unrestricted sleeping positions
  • Pad-sleeve keeps bag centred on your mat
  • Self-sealing foot vent for quick heat adjustment
  • RDS-certified, PFC-free 800 fill power DriDown insulation
  • Durable 15D nylon ripstop shell and liner

Materials:

  • Insulation: 800 fill power PFC-free DriDown
  • Shell Fabric: 15D nylon ripstop
  • Liner Fabric: 15D nylon ripstop

Specifications:

  • Fits Up To Height: Regular 183 cm / 6 ft 0 in, Long 198 cm / 6 ft 6 in
  • Overall Length: Regular 198 cm / 78 in, Long 213 cm / 84 in
  • Shoulder Circumference: Regular 152 cm / 60 in, Long 157 cm / 62 in
  • Hip Circumference: Regular 147 cm / 58 in, Long 152 cm / 60 in
  • Footbox Circumference: Regular 102 cm / 40 in, Long 107 cm / 42 in
  • Fill Weight: Regular 419 g / 14.8 oz, Long 465 g / 16.4 oz
  • Total Weight: Regular 850 g, Long 886 g
  • Stuff Sack Size: 38 x 19 cm
  • Storage Sack Size: 51 x 31 cm

Care:

  • Use with a sleeping mat with an appropriate R-value for the season.
  • Air and store in the mesh sack to maintain loft.
  • Spot clean or wash with down-safe detergent, tumble dry low with clean tennis balls to restore loft.

What’s Included: Cloud 20 sleeping bag, stuff sack, mesh storage sack.

Why We Like It: The Cloud 20 delivers exceptional comfort, warmth and packability with a clever zipperless design. It’s one of the most comfortable and versatile lightweight down sleeping bags available for UK conditions.

Tip: Pair it with a high R-value sleeping mat and a breathable bivvy or tent for the best performance in damp British weather.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 87668751838

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4.6 ★★★★★
Based on 14 reviews
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Verified Purchase
House of Squawk
Omaha, US
★★★★★ 5
Very comfortable in the Texas heat.
Size: Small, Color: Black/Navy/Dark Purple/Red
I got some of these as a gift and I loved them so much I purchased two more packs. I just opened my new packs and put them in the washer so I'm not leaving a photo. When I wear them they look exactly like they do on the models. I've been doing a lot of heavy outdoor work in the heat and I get drenched. These underwear have a 100% cotton crotch and the rest is 95% cotton and 5% spandex. When I first saw the wide crotch I didn't think I would like it. But these are soooo comfortable. I'm 4'11" and weight 108-112 and the size small fits loosly but well. I could probably get away with an XS but I like this loose and not too tight fit. I see some folks say these roll up. They don't roll up on me. I think they might roll if they were tight fitting. I have lots of other undergarments like these and some roll and some don't. But none of the others are cotton. They are mostly spandex and since I've found these in cotton that's all I'm wearing until summer is over. I can't feel them or see them under pants or skirts. These look more like shorts than underwear and they have a very nice thickness. Since I only had four pair to begin with, those got washed and dryed a lot. I can't tell if they shrunk since I only tried them after washing. Sorry I forgot to compare the size of the new ones to the older ones before I threw them in the washer. I'll probably buy another set and compare at that time. One thing I can report is that they do not fade at all. I just washed the black, purple and red colors with the white color and the white is still completely white. Now I have more colors and I'll probably be walking around in my underwear and no one will know. The only con I can think of is the wide crotch wouldn't work well with pads with wings, in my opinion. Try a size larger for a nice cool pair of sleeping shorts to see how they fit while they are on sale. Then go smaller if needed. I think you might enjoy these.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 10, 2024
S
Verified Purchase
Shannon
Grantham, US
★★★★★ 5
So comfortable and worth the buy
Size: Large, Color: Black
So comfortable!!! There is no seam in the butt and under neath, only in the front but it is really soft and non irritating. I got these for post partum but I’m already wearing them at 8.5 months pregnant. They’re probably my favorite undies right now. The length is also perfect and the material is very soft and stretchy. The waist band is the same, soft and stretchy.
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Reviewed in the United States on April 11, 2026
J
Verified Purchase
Jeanne
Charlottesville, US
★★★★★ 3
Cotton Blend Was Just Too thick
Size: 3X-Large, Color: Black
I was surprised by how thick these boxers were, thicker than my jeans, much thicker than my PJs! Thick enough that I could wear them outside the home without jeans. In spite of the thickness, they were soft and very comfortable. The 3XL is a perfect fit on my 5’2” apple shaped, short waisted 215 lb body. The boxer cut helped prevent chafing, a major plus. Menstrual pads, with or without wings, do not adhere to this material, a major minus. Ultimately, feeling like I was wearing jeans to bed or wearing two pairs of pants outside the home, was just too uncomfortable for me. So disappointed because these boxers were such a great and comfortable fit.
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Reviewed in the United States on April 4, 2026
C
Verified Purchase
Charlie Horse 75
Waukegan, US
★★★★★ 5
Great fit!
Size: Large, Color: Beige
Most comfy undies THANK YOU!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
L
Verified Purchase
Liz Newman
Cuba, US
★★★★★ 5
Comfortable and cool. Does not ride up.
Color: 01-multicolour (4-pack), Size: Medium
Extremely comfortable. Stays cool. Ample coverage. Quality material. They do not creep up. I ordered a medium which I generally take a size small. I have reordered and will reorder again to add more colors to my collection.
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Reviewed in the United States on May 18, 2026

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