Klymit Wild Aspen 0 (Zero) Regular Sleeping Bag - Yellow
Klymit Wild Aspen 0 (Zero) Regular Sleeping Bag - Yellow
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Klymit

Klymit Wild Aspen 0 (Zero) Regular Sleeping Bag - Yellow

4.3 stars out of 310 reviews
(4.3)|
310 ratings
Klymit Wild Aspen 0 (Zero) Regular Sleeping Bag - YellowKlymit Wild Aspen 0 Zero Regular Sleeping Bag YellowWild Aspen 0 Zero Degree Mummy Sleeping Bag Yellow XLargeWild Aspen 0 Zero Degree Sleeping Bag Large Yellow

Key item features

Klymit Wild Aspen 0 (Zero) Degree Regular Size Sleeping Bag - Yellow FOR THE COLDEST NIGHTS: Extra-warm synthetic insulation is rated to 0 degrees. DURABLE: Lightweight micro polyester shell resists water and abrasion COMPLETE COVERAGE: Fully adjustable deep pocket hood and zipper draft tube keeps cold air out PACKS DOWN SMALL: Included compression sack keeps things tight Dimensions: 74 x 30in Pack Dimensions: 15 x 9 x 9in Weight: 3.2lbs Warranty: 2 Years (Klymit)
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Customer ratings & reviews

4.3 out of 5 stars
stars310 ratings255 reviews
How item rating is calculated
  1. 5 stars60% (185)
  2. 4 stars25% (77)
  3. 3 stars8% (25)
  4. 2 stars5% (15)
  5. 1 star3% (8)

Reviews summary

Pros
  • : Offers great value at this cost.
  • : Provides excellent insulation in cold temperatures.
  • : Materials and construction meet expectations.
  • : Packs down to a small size for convenient storage.
Neutral
  • : Can be snug for larger users, but spacious for smaller ones.
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Showing 1-3 of 255 reviews

Oct 17, 2025
Edward C
5 out of 5 stars review

Klymit Wild Aspen 0 Sleeping Bag

For the price, you really can't beat this sleeping bag. Takes up a bit of space in your pack compared to down, but is still pretty light for a 0 degree synthetic bag. I've taken this out on a winter trip and the coldest it got was 7 degrees Fahrenheit. I never woke a single time due to being cold so there was no issues there. It was just the right size with a bit of moving room in the bag. I am 6 feet tall and about 175 pounds for reference.

Review from ExpertVoice.com
Helpful?7C1WPLYL4YSG866405481
Nov 13, 2025
Tilly
5 out of 5 stars review

So warm!

I owe this sleeping bag my life (joking - kind of?) Camping in Colorado means it is cold at night even in the middle of summer, and this sleeping bag is everything to me. 32 is the coldest I've tested it at but I can imagine it being able to handle much colder. Also the lining inside is so soft. My only complaint is the zipper is tough, but that's a small thing.

Review from klymit
Helpful?7C1WPLYL4YSG866405481
Apr 12, 2024
Thos
Item details
Size: Regular
5 out of 5 stars review

Verified Purchase

Perfect for 3 season backpacking

Warm for near zero temperatures encountered above 10,000 feet in the Sierra Nevada mountains. Plus, can help keep you warm if bag gets somewhat wet from tent condensation. Definitely recommend combing a closed cell sleeping pad with an inflatable one for increased R-value effect. A better night’s sleep will help make your trip more enjoyable.

Helpful?7C1WPLYL4YSG866405481