The North Face Cat's Meow 20F Eco Sleeping Bag vs Western Mountaineering UltraLite

Editorial Team
Last modified at May 24, 2026
Choosing the right sleeping bag is crucial for a comfortable and safe backpacking experience. The North Face Cat's Meow 20F Eco Sleeping Bag and the Western Mountaineering UltraLite are both popular choices among outdoor enthusiasts, each offering unique features and benefits. This comparison will help you understand the strengths and weaknesses of each sleeping bag, ensuring you make an informed decision based on your specific needs and preferences.

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The North Face Cat's Meow 20F Eco Sleeping BagWestern Mountaineering UltraLite
The North Face Cat's Meow 20F Eco Sleeping BagUltraLite
Weight

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

5'6": 1 lb 12 oz
6'0": 1 lb 13 oz
6'6": 1 lb 15 oz

Fill Power

Synthetic insulation; fill power not applicable

850+

Packed Size

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

7 × 13 in

Shell Material

100% Nylon

12D ripstop nylon

Fits Up To Height

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

5'6": 59 × 51 × 38 in
6'0": 59 × 51 × 38 in
6'6": 60 × 52 × 38 in

Warranty

Lifetime Guarantee

Manufacturer defects covered for unlimited time

Zipper Type

2/3 length zippers

Full-length #5 YKK

Down Treatment

Synthetic insulation; down treatment not applicable

Ethically-sourced premium goose down

Baffle Construction

Cyclone construction with vertical baffles

Continuous baffles

Foot Box Shape

Larger footbox

Mummy

Hood Type

Fully insulated hood

Cinched

Water Resistance

Non-PFC Durable Water Repellent (DWR) finish

Breathable, tightly woven

Draft Collar

Cinch collar

Fully insulated

Temperature Rating

20°F / -7°C

20°F

Comfort

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

3.4/ 5.0

UltraLite

4.3/ 5.0

Comfort is paramount when it comes to sleeping bags, as a good night's sleep is essential for an enjoyable backpacking trip. A comfortable sleeping bag can make a significant difference in your overall experience, especially after a long day of hiking. The Western Mountaineering UltraLite excels in this category with a rating of 4.3/5, praised for its balance, steady hold, and adjustable features like the Accu-Fit stock and cheek pieces. Users consistently highlight its mild feel and overall comfort, making it a top choice for those prioritizing a cozy night's sleep. The North Face Cat's Meow, while still comfortable with a rating of 3.4/5, has mixed reviews. Its shaped hood and cut staple insulation add coziness, but some users find it less plush in very cold conditions. The UltraLite's higher comfort rating and consistent positive feedback make it the clear winner in this category.

Warmth

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

3.7/ 5.0

UltraLite

3.3/ 5.0

Warmth is a critical factor for sleeping bags, as it directly impacts your safety and comfort in various weather conditions. A warmer sleeping bag can be the difference between a restful night and a dangerous situation in cold environments. The North Face Cat's Meow has a higher warmth rating of 3.7/5, with features like a draft collar, heat-sealing baffles, and a shaped hood designed to maximize warmth. It is rated to 20°F and has received positive feedback for its warmth in three-season conditions, though some users note the need for additional layers in extreme cold. The Western Mountaineering UltraLite, with a warmth rating of 3.3/5, is described as warm to the touch but has limited feedback on its performance in colder climates. Given the more substantial evidence and higher rating, the Cat's Meow is the better choice for warmth.

Durability

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

4.2/ 5.0

UltraLite

4.3/ 5.0

Durability ensures that your sleeping bag can withstand the rigors of backpacking and last for many trips to come. A durable sleeping bag is a worthwhile investment, as it will save you money and provide reliable performance over time. Both the Cat's Meow and the UltraLite are highly durable, with ratings of 4.2/5 and 4.3/5, respectively. The Cat's Meow is built with rugged materials, a strong YKK zipper, and has been praised for surviving years of hard use. The UltraLite is noted for its Proof Research barrel, fluted bolt, and polymer stock, which contribute to its robust construction. Given the close ratings and positive feedback for both, this category is a tie.

Packability

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

4.4/ 5.0

UltraLite

4.1/ 5.0

Packability is essential for backpackers who need to save space and weight in their packs. A highly packable sleeping bag allows you to carry more gear and makes it easier to transport. The North Face Cat's Meow excels in this category with a rating of 4.4/5. It compresses easily into a compact stuff sack and has been praised for its ability to fit well in a backpack. The Western Mountaineering UltraLite, with a packability rating of 4.1/5, is also noted for being ultralight and lightweight. However, the Cat's Meow's higher rating and consistent positive feedback make it the winner in packability.

Versatility

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

3.9/ 5.0

UltraLite

4.1/ 5.0

Versatility is important for backpackers who encounter a range of conditions and need a sleeping bag that can adapt. A versatile sleeping bag can be used in various seasons and environments, providing flexibility for different trips. The Western Mountaineering UltraLite has a slight edge in versatility with a rating of 4.1/5. It offers features like an Accu-Fit stock and adjustable pull length, making it adaptable to different users and conditions. The North Face Cat's Meow, with a versatility rating of 3.9/5, is praised for its all-season use and gender-specific fits but is not ideal for winter camping. The UltraLite's higher rating and positive feedback make it the winner in versatility.

Ease Of Use

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

4.3/ 5.0

UltraLite

3.9/ 5.0

Ease of use is crucial for a hassle-free experience, especially after a long day of hiking. A sleeping bag that is easy to set up and adjust can make your trip more enjoyable and less stressful. The North Face Cat's Meow leads in this category with a rating of 4.3/5. It features thoughtful details like pad loops, a glow-in-the-dark zipper, and hang loops for airing out, making it user-friendly. The Western Mountaineering UltraLite, with an ease of use rating of 3.9/5, is praised for its feeding and magazine features but has some complaints that keep it from being flawless. The Cat's Meow's higher rating and consistent positive feedback make it the winner in ease of use.

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Conclusion & Final Verdict:

After a detailed comparison, the Western Mountaineering UltraLite emerges as the better overall choice for backpackers prioritizing comfort, versatility, and weight savings. However, The North Face Cat's Meow 20F Eco Sleeping Bag is a strong contender with superior warmth, packability, and ease of use. If you need a sleeping bag for colder conditions and value a balance between warmth and packability, the Cat's Meow is an excellent option. But if you prioritize comfort and versatility, the UltraLite is the way to go.

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