Kelty Cosmic Down 20 Sleeping Bag vs The North Face Cat's Meow 20F Eco Sleeping Bag

Editorial Team
Last modified at May 24, 2026
When it comes to backpacking sleeping bags, the Kelty Cosmic Down 20 and The North Face Cat's Meow 20F Eco are two popular choices. Both bags offer a balance of warmth, packability, and durability, but they have distinct differences that may make one a better fit for your needs. This comparison will help you understand the strengths and weaknesses of each bag, so you can make an informed decision.

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Kelty Cosmic Down 20 Sleeping BagThe North Face Cat's Meow 20F Eco Sleeping Bag
Cosmic Down 20 Sleeping BagThe North Face Cat's Meow 20F Eco Sleeping Bag
Weight

Short: 35 oz Regular: 43 oz Long: 47 oz

Short: 38.9 oz Reg: 45.4 oz Long: 51.5 oz Extra Long: 52 oz

Fill Power

550

Synthetic insulation; fill power not applicable

Packed Size

Short: 1029 cu in Regular: 1352 cu in Long: 1512 cu in

Short/Regular/Long: 1800 cu in Extra Long: 2200 cu in

Shell Material

Recycled 20D Nylon Taffeta

100% Nylon

Fits Up To Height

Short: 72 in Regular: 78 in Long: 84 in

Short: 5'6 in / 168 cm; Regular: 6 ft / 183 cm; Long: 6'6 in / 198 cm; Extra Long: 7 ft / 213 cm

Warranty

Lifetime

Lifetime Guarantee

Zipper Type

Quad-stitch anti-snag

2/3 length zippers

Down Treatment

DriDown

Synthetic insulation; down treatment not applicable

Baffle Construction

Trapezoidal

Cyclone construction with vertical baffles

Foot Box Shape

Expanded, natural fit

Larger footbox

Hood Type

Insulated, adjustable

Fully insulated hood

Water Resistance

PFAS-free DWR

Non-PFC Durable Water Repellent (DWR) finish

Draft Collar

Full draft tube and collar

Cinch collar

Temperature Rating

20°F

20°F / -7°C

Comfort

Cosmic Down 20 Sleeping Bag

4.2/ 5.0

The North Face Cat's Meow 20F Eco Sleeping Bag

3.4/ 5.0

Comfort is crucial for a good night's sleep in the backcountry. A comfortable sleeping bag can make a significant difference in your overall backpacking experience, especially after a long day on the trail. The Kelty Cosmic Down 20 excels in this category with a cozy and roomy fit, appreciated by many users for its comfortable design and ample leg room. However, some may find the shoulder area a bit tight. The North Face Cat's Meow 20F Eco, while comfortable, has a shaped hood and cut staple insulation that add coziness, though some find it less plush in very cold conditions. The Cosmic Down 20's higher comfort rating and more positive user feedback make it the winner in this category.

Warmth

Cosmic Down 20 Sleeping Bag

4.8/ 5.0

The North Face Cat's Meow 20F Eco Sleeping Bag

3.7/ 5.0

Warmth is a critical factor for backpacking sleeping bags, as it directly impacts your safety and comfort in cold conditions. The Kelty Cosmic Down 20 is highly praised for its warmth, keeping users comfortable in cold conditions down to 30 degrees. It has a higher warmth rating and more positive user feedback, making it a reliable choice for chilly nights. The North Face Cat's Meow 20F Eco is rated to 20°F and features a draft collar and heat-sealing baffles, but some users report needing extra layers in extreme cold. The Cosmic Down 20's superior warmth performance makes it the clear winner in this category.

Durability

Cosmic Down 20 Sleeping Bag

4.9/ 5.0

The North Face Cat's Meow 20F Eco Sleeping Bag

4.2/ 5.0

Durability ensures that your sleeping bag can withstand the rigors of backpacking and last for many trips to come. The Kelty Cosmic Down 20 is built with high-quality materials and construction, ensuring long-lasting durability. It has a higher durability rating and more positive user feedback, making it a reliable choice for backpackers. The North Face Cat's Meow 20F Eco is also built with rugged materials and a strong YKK zipper, holding up well to years of backpacking. However, the Cosmic Down 20's slightly higher durability rating and more consistent user feedback give it the edge in this category.

Packability

Cosmic Down 20 Sleeping Bag

4.4/ 5.0

The North Face Cat's Meow 20F Eco Sleeping Bag

4.4/ 5.0

Packability is essential for backpackers who need to save space and weight in their packs. Both the Kelty Cosmic Down 20 and The North Face Cat's Meow 20F Eco are appreciated for their lightweight and compact designs, making them easy to pack and carry on backpacking trips. The Cosmic Down 20 is noted for its lightweight and compact design, while the Cat's Meow 20F Eco compresses easily into a compact stuff sack. Both bags have similar packability ratings and positive user feedback, making this category a tie.

Versatility

Cosmic Down 20 Sleeping Bag

3.1/ 5.0

The North Face Cat's Meow 20F Eco Sleeping Bag

3.9/ 5.0

Versatility is important for backpackers who encounter a range of conditions and need a sleeping bag that can adapt. The North Face Cat's Meow 20F Eco works well across three seasons and offers gender-specific fits, though it is not ideal for winter camping. It has a higher versatility rating and more positive user feedback, making it a more adaptable choice for various conditions. The Kelty Cosmic Down 20, while a great sleeping bag, has a lower versatility rating due to limited user feedback on its adaptability. The Cat's Meow 20F Eco's higher versatility rating and more consistent user feedback give it the win in this category.

Ease Of Use

Cosmic Down 20 Sleeping Bag

3.7/ 5.0

The North Face Cat's Meow 20F Eco Sleeping Bag

4.3/ 5.0

Ease of use can make a big difference in your camping experience, especially when you're tired after a long day of hiking. The North Face Cat's Meow 20F Eco has thoughtful details like pad loops and a glow-in-the-dark zipper, making setup and adjustments hassle-free. It has a higher ease of use rating and more positive user feedback, making it a more convenient choice for backpackers. The Kelty Cosmic Down 20 is also easy to use, with features like a two-way zipper and velcro closure enhancing convenience, but it has fewer user mentions and a lower rating. The Cat's Meow 20F Eco's higher ease of use rating and more consistent user feedback make it the winner in this category.

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Conclusion & Final Verdict:

After comparing the Kelty Cosmic Down 20 and The North Face Cat's Meow 20F Eco sleeping bags, the Kelty Cosmic Down 20 emerges as the overall winner. It excels in key categories such as comfort, warmth, and durability, making it a reliable choice for backpackers. While The North Face Cat's Meow 20F Eco has its strengths in versatility and ease of use, the Cosmic Down 20's superior performance in critical areas makes it the better option for most backpackers.

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