Kelty Cosmic 0 Degree Down Sleeping Bag Review

Kelty Cosmic 0 DegreeMost people don’t look at outdoor gear as an investment, and it is no surprise that people buy tents, sleeping bags, lanterns, and stoves that end up falling apart after just a few uses. So what should you do if you find yourself in this situation? My advice would be for you to look closely at the product that you are buying, so that you can select an option that will serve you well for a long time to come.

If you are new to this, then you might be unsure of where to start. That is why I am here to help you out. Kelty is an outdoor gear brand that manufactures top quality products for inexperienced and experienced hikers and campers. At the moment, one of their most popular products is the Cosmic 0 Degree Down sleeping bag.

I took this sleeping bag out for a spin last month, and I was incredibly impressed. That is why below we will review this sleeping bag in greater detail.

Who is it made for?

The Kelty Cosmic 0 Degree Down sleeping bag has been designed to keep you warm at all times. This bag is therefore the perfect choice for those going on backpacking and camping adventures. However, I should mention that some people find it slightly heavy for backpacking and hiking.

Features of the Kelty Cosmic 0 Degree Down Sleeping Bag

Kelty Cosmic 0 Degree Down Sleeping Bag is designed to meet the needs of the consumers. After hours of research, testing and analyzing the features, we put Kelty Cosmic 0 Degree Down is a one of the best Sleeping bag in our List.

Great Insulation

Kelty makes use of 550 fill power hydrophobic Dridown insulation. This soft and high-loft insulation is quite incredible, and it delivers amazing warmth to those who sleep in it. This lightweight insulation is also popular for its water repellant properties, meaning that you will stay warm in wet conditions.

The mummy shape of the bag also promotes the thermal efficiency of the bag, so that you remain warm throughout the night.

Warm and Comfortable

The Kelty Cosmic 0 Degree Down sleeping bag has been designed with a ground-level side seam, which works to secure the draft tube. This draft tube is what prevents cold air from entering through the zipper, so that you can remain warm throughout.

The sleeping bag also has a full baffle draft collar, which is found at your neck and shoulders. This collar will seal out all cold air, so that your neck and shoulders remain warm on the coldest of night. Additionally, warmth is guaranteed by the hood with drawcords, which keep your head, neck, and ears snug as you sleep.

When it comes to comfort, you will be pleased by the natural fit footbox which gives you sufficient room to wiggle your toes at night.

Quality Construction

Kelty Cosmic 0 Degree Down Sleeping BagThe quality of construction of the Kelty Cosmic 0 Degree Down sleeping bag is something to be admired. This sleeping bag has a polyester shell, which is smooth and durable.

The lining is polyester taffeta, which is breathable and comfortable for a restful sleep.

The Kelty Cosmic 0 also has a slant baffle construction, which works to eliminate cold spots so that you remain warm through the night.


The sleeping bag also comes with attachments for convenience. Firstly, we have internal loops, which allow you to attach a sleeping bag liner. Next you have pad loops, which provide attachment points so that your sleeping bag and pad are kept together. This way you won’t roll off the pad and onto the cold ground.

Lastly, we have the hang loops, which allow you to dry and store the sleeping bag with ease.

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  1. Warm
  2. Plenty of room
  3. Rolls up well
  4. Comfortable
  5. Good zippers


  1. Expensive
  2. Slightly bulky

Features at a Glance

  • Included Insulation
  • Shoulder Girth Included
  • Stylish Design

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Frequently Asked Questions (FAQ)

Q: How much does this sleeping bag weigh?
A: The regular sleeping bag weighs 3lbs 12oz, while the long sleeping bag weighs 3lbs 15oz.

Q: Does the Kelty Cosmic 0 sleeping bag come with a stuff sack?
A: Yes, the sleeping bag comes with a stuff stack for easy storage.

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Final Verdict

So if you are looking for a sleeping bag that will keep you warm and comfortable in all weather, then the Kelty Cosmic 0 Down is a great choice for you. Though it comes with a high price tag, the design and features of this sleeping bag will definitely provide value for your money.


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