Contents
The Best Cosmic Down 20 of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Cosmic Down 20 of 2023. Check our ranking below.
2,550 Reviews Scanned
- A KELTY CLASSIC: The cosmic 20 has long been a staple of Kelty’s backpacking lineup and a favorite of campers worldwide with 550 FP compressible down, silky soft fabrics, dual direction zippers, the cosmic is built for comfort at the campsite
- PFAS FREE AS IT SHOULD BE: None of that toxic stuff here – Recycled nylon and polyester taffeta shell and liner fabrics to keep even more out of the landfill, finished with durable water repellent. Planet Earth approved
- SUSTAINABLE + TRACEABLE DOWN: Did we mention all our down is 100% ethically sourced and traceable via RDS? Info on product tag to trace each specific batch of down, Kelty means business when it comes to sustainability.
- 1952: Since Eisenhower was in the oval, Kelty has been designing camping gear in sunny Colorado. A founding member of The Conservation Alliance, Kelty continues to lead the industry with quality gear for your outdoor shenanigans on or off the trail
- THE DEETS: Each size up represents additional 6” of total length: Short fits sleepers up to 5’ 6”, Regular 6’, Long 6’ 6”. ISO limit rating 21 degrees, ISO extreme rating -11 degrees. Total weight about 2 lbs. 6 oz. (regular) stuffed size 13 x 7”
- ULTRA UPGRADES: Classic Cosmic get’s an upgrade. New for 2021, the Cosmic Ultra features premium 800 Fill power Dridown insulation. 800 Fill is among the highest rating achievable, and represents a top line warmth to weight ratio of the down.
- TRAPEZOIDS, MAN: Turns out this funky shape is ideal for helping sleeping bags retain heat. Trapezoidal baffle construction improves our best selling Cosmic sleeping bag for 2021. Fan favorite and campsite staple with improved Thermal Efficiency
- GET DOWN: Light, compressible, warm to boot; what’s not to love about Down Fill? The Cosmic Ultra features 800 fill Kelty treated DriDown insulation, with sustainably sourced materials that are easy to pack, use, dry, and keep your buns toasty.
- DUAL ZIPPERS: Two sliding, locking zippers with anti-snag draft tube - unzip from the bottom to stick a foot out and self-regulate heat while enjoying mummy-bag comfort. Zippered internal stash pocket for cell phone or headlamp
- KELTY QUALITY: Good craftsmanship speaks for itself. Since 1952 Kelty has designed and manufactured quality, useful, and durable goods for the everyman (and woman) seeking to enjoy life outside. Headquarters in Colorado, USA
- FOR THE LOVE OF COMFORT: The innovative fill packs down without sacrificing performance; Roomy footbox; Zipper draft tube; Soft liner provides a comfortable night's sleep
- NEVER ROLL YOUR SLEEPING BAG AGAIN: TETON provides a stuff sack for stuffing your sleeping bag; Start at the bottom and stuff the bag in.
- LIGHTWEIGHT AND LOFTY: Lightweight for backpacking, hiking, and camping; Innovative microfiber insulation offers more loft and first-rate compressibility without sacrificing performance
- SLEEP WARM: Fluff your sleeping bag and use an insulated camp pad to sleep warmer; Hang loops for long-term storage
- TETON SPORTS PROMISE: Reach out to our AMAZING product support team if you have any questions or concerns; YOU CAN COUNT ON US to get you taken care of and back OUTDOORS with TETON Sports
- TRAPEZOIDS, MAN: Turns out this funky shape is ideal for helping sleeping bags retain heat. Trapezoidal baffle construction improves our best selling Cosmic sleeping bag for 2021. Fan favorite and campsite staple with improved Thermal Efficiency
- GET DOWN: Light, compressible, warm to boot; what’s not to love about Down Fill? The Cosmic features 550 fill Kelty treated DriDown insulation, with sustainably sourced materials that are easy to pack, use, dry, and keep your buns toasty.
- ENTRY LEVEL VETERAN: Priced even lower for 2021, the Cosmic is more budget friendly than ever while retaining it’s well deserved reputation for a do-it-all backpacker’s slumber companion. First time campers and old timers rejoice
- DUAL ZIPPERS: Two sliding, locking zippers with anti-snag draft tube - unzip from the bottom to stick a foot out and self-regulate heat while enjoying mummy-bag comfort. Zippered internal stash pocket for cell phone or headlamp
- KELTY QUALITY: Good craftsmanship speaks for itself. Since 1952 Kelty has designed and manufactured quality, useful, and durable goods for the everyman (and woman) seeking to enjoy life outside. Headquarters in Colorado, USA
- 0 Degree Temp Rating, Regular Size: Fits sleepers up to 6ft, fill weight 55oz, total weight 4lbs 6oz, stuff size (non-compressed) 17x11 inches
- Packability: Integrated compression stuff sack, coupled with the premium packability of the synthetic fill allow the Cosmic synthetic to reach minimalist standards of backpacking gear. Trail weight varies by temp rating, from 2lbs 6oz to 4lbs 11oz.
- Insulation: Cirroloft synthetic insulation provides reliable warmth in cold and damp conditions, maintains loft for even coverage with no cold spots. Temperature ratings from 0 degrees to 40 degrees, to ensure your time on the trail is comfortable.
- Tailored Fit: Natural fit spacious footbox gives more room to wiggle your toes, and length options range to fit sleepers 5’8” to 6’6”. A handy stash pocket on the exterior of the bag for your overnight goodies and essentials in the tent.
- Kelty Craftsmanship: Kelty is synonymous with quality in the outdoor community. Kelty gear is built for play, and built to last. The Cosmic Synthetic bag is ready to be put through the ringer on the trail, campground, and everywhere in between.
Last update on 2025-07-28 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
How Do You Buy The Best Cosmic Down 20?
Do you get stressed out thinking about shopping for a great Cosmic Down 20? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Cosmic Down 20, which is why we have assembled a comprehensive list of the greatest Cosmic Down 20 available in the current market. We’ve also come up with a list of questions that you probably have yourself.
We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Cosmic Down 20 that you consider buying. Your questions might include the following:
- Is it worth buying an Cosmic Down 20?
- What benefits are there with buying an Cosmic Down 20?
- What factors deserve consideration when shopping for an effective Cosmic Down 20?
- Why is it crucial to invest in any Cosmic Down 20, much less the best one?
- Which Cosmic Down 20 are good in the current market?
- Where can you find information like this about Cosmic Down 20?
We’re convinced that you likely have far more questions than just these regarding Cosmic Down 20, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.
Potential sources can include buying guides for Cosmic Down 20, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Cosmic Down 20. Make sure that you are only using trustworthy and credible websites and sources.
We provide an Cosmic Down 20 buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Cosmic Down 20 currently available on the market.
This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:
- Brand Value: Every brand of Cosmic Down 20 has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
- Features: What bells and whistles matter for an Cosmic Down 20?
- Specifications: How powerful they are can be measured.
- Product Value: This simply is how much bang for the buck you get from your Cosmic Down 20.
- Customer Ratings: Number ratings grade Cosmic Down 20 objectively.
- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Cosmic Down 20.
- Product Quality: You don’t always get what you pay for with an Cosmic Down 20, sometimes less, and sometimes more.
- Product Reliability: How sturdy and durable an Cosmic Down 20 is should be an indication of how long it will work out for you.
We always remember that maintaining Cosmic Down 20 information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.
If you think that anything we present here regarding Cosmic Down 20 is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.
FAQ:
Q: What makes a cosmic 20 degree down sleeping bag?
A: A draft tube behind the 60″ two-way locking anti-snag zipper and an insulated hood enhance the thermal efficiency of the Cosmic 20 Degree bag. A polyester taffeta liner provides internal comfort. Other features include a small pocket to keep electronics handy and a naturally-shaped foot box.
Q: Can a men’s cosmic down be zipped together?
A: This information is incorrect. The Kelty Cosmic bag is only made with a right side zipper for both mens and women’s bags. To be able to zip any sleeping bags together, you must have 1 left side and 1 right side zippered bag. Helpful? Yes, the men’s Cosmic Down and the women’s Cosmic Down can be zipped together.
Q: What kind of sleeping bag is Kelty cosmic?
A: The Kelty Cosmic 20 Degree sleeping bag is ideal for 3-season backpacking and camping. Water-resistant down insulation and an array of features make this sleeping bag a great combination of value and comfort. This sleeping bag is insulated with 600-fill DriDown.