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Item #: kty0199


Cosmic 0 Sleeping Bag (Synthetic) - Solid

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Product Information

Product Information For The Kelty Cosmic 0 Sleeping Bag (Synthetic) - Solid


Brand Kelty
Weight 4 lb. 11 oz. / 2.10 kg
Best Use Backpacking
Max User Height 6 ft 0 in (Regular), 6 ft 6 in (Long)
Shoulder Girth 62 in / 157 cm (Reg); 64 in / 163 cm (Long)
Hip Girth Not Specified
Foot Girth Not Specified
Fill Weight 42 oz / 1.18 kg
Insulation Cloudloft
Insulation Type Synthetic Insulation
Lining Material 50D Polyester Taffeta
Material 50D Polyester Taffeta
Packed Size 12 x 20 in / 30 x 51 cm
Temperature Range 0° to 10°
Temperature Rating


Built to perform on cold nights without breaking the bank, the Kelty Cosmic 0⁰ Sleeping Bag provides a high degree of warmth, comfort, and durability. Equally at home in the frontcountry as it is in the backcountry, this versatile bag provides a great night’s sleep in almost any situation.


  • Two-layer off-set quilt construction
  • Top baffle collar
  • Insulated hood baffle
  • Zipper draft tube with anti-snag design
  • Internal liner loops
  • Sleeping pad security loops
  • Hang loops for storage
  • Ground-level side seams prevent heat from escaping
  • Differential cut to maximize loft and warmth
  • Stuff sack included
  • 3/4-length, two-way locking zipper
  • FatMan and Ribbon™ drawcords
  • Captured cordlock

Reviews For The Kelty Cosmic 0 Sleeping Bag (Synthetic) - Solid


by PowerReviews
KeltyCosmic 0 Sleeping Bag (Synthetic) - Solid

(based on 2 reviews)

Reviewed by 2 customers

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Toasty bag

By Rxshana

from Spokane, WA

About Me Casual/ Recreational

Verified Reviewer


  • Baffle Collar
  • Durable
  • Lightweight
  • Roomy
  • Warm


  • Packs Too Large
  • Zipper Snags Easily

Best Uses

  • 3 Season Camping
  • Car Camping

Comments about Cosmic 0 Sleeping Bag (Synthetic) - Solid:

This is a great bag that will keep you toasty warm. I haven't tested it to zero degrees but it got down to 37 degrees and I didn't notice the cold sleeping in a tent hammock. I especially like the baffle collar that keeps the heat from escaping and you can cinch up the hood. It's too big to take backpacking. The durable stuff sack it comes with packs down to 12x18" but with a compression sack I'm sure you could get it to half that size and it's fairly light weight. The zipper has a tendency to snag on the fabric but it never tore.

  • What Is Your Gear Style:
  • Comfort Driven
  • Was this a gift?:
  • No


By SGCaper

from Stamford, CT

About Me Avid Adventurer

Verified Buyer


  • Adjustable Hood
  • Comfortable
  • Packs Small
  • Roomy
  • Warm


  • Zipper Snags Easily

Best Uses

  • 3 Season Camping
  • 4 Season camping
  • Backpacking
  • Car Camping
  • Cold Conditions

Comments about Cosmic 0 Sleeping Bag (Synthetic) - Solid:

I spent months doing research on sleeping bags. As a guy who is 6'6" tall being comfortable and roomy were musts. The 0 degree rating was an added plus. When it arrived I immediately opened the box, took it out, and hopped in. The moment it was zipped up I was toasty warm, it was so comfortable that I had my wife try it out. This was of course in our house, the real test came the next weekend.

My wife and I along with a friend decided to do an overnight camping trip in CT. It was a beautiful hike but a cold night. We have a three season tent which was doing it's job as was my sleeping bag. My wife's sleeping bag... Not so much. She was shivering and cold, even with extra layers on. Being a good husband I gave her my bag and took hers, she's 5' so I was lucky to fit my feet in her bag. She was soon comfortable, shedding extra layers, and asleep. I didn't fare as well.

The next morning she gave it rave reviews.

So just keep in mind it's a great bag and you're wife may commandeer it for herself on some cold night.

All that aside the quality is top notch. I purchased a stuff sack and it packed down easily. It's weight falls exactly within the range I was looking for. It's a top notch bag that I look froward to spending a night in, fingers crossed.

  • What Is Your Gear Style:
  • Minimalist
  • Was this a gift?:
  • No

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Questions & Answers

Q & A For The Kelty Cosmic 0 Sleeping Bag (Synthetic) - Solid

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1 Question | 1 Answer
Displaying question 1
  • Cosmic 0 Sleeping Bag (Synthetic) - Solid


    Hi, what is the packed size (in the stuff sack) and what kind of insulation is in the bag. Thanks
    Asked on 9/18/2012 by Gary from United States

    1 answer

    • Staff Reviewer


      12 x 20 in / 30 x 51 cm with Cloudloft™ Pro insulation

      Answered on 9/19/2012 by Dallon - Gear Expert from
Displaying question 1

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