Kelty Mistral 40 vs Marmot Trestles Elite Eco 20° Long

Editorial Team
Last modified at July 31, 2026
When it comes to budget sleeping bags, the Kelty Mistral 40 and the Marmot Trestles Elite Eco 20° Long are both excellent choices, but they cater to slightly different needs. The Mistral 40 is ideal for those who prioritize packability and ease of use, making it a great option for backpackers. On the other hand, the Trestles Elite Eco 20° Long is perfect for car campers who need extra warmth and durability.

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Kelty Mistral 40Marmot Trestles Elite Eco 20° Long
Mistral 40
Trestles Elite Eco 20° Long
Fill Type

CloudLoft synthetic

Recycled synthetic

Weight

44 oz

62.4 oz

Size

Regular: 76 in long

Long

Shell Material

190T polyester taffeta

Polyester ripstop

Compression Sack

Included

Included

Warranty

Limited lifetime

Limited lifetime

Lining Material

190T polyester taffeta

Polyester taffeta

Baffle Construction

Offset quilted

Wave construction

Color

Green

Arctic Navy/Steel Onyx

Draft Tubes

Draft-locked zipper

Full-length zipper draft tube

Fill Power

Not applicable - synthetic fill

Not applicable - synthetic fill

Foot Box

Natural-fit spacious footbox

3D footbox

Comfort

Mistral 40

4.6/ 5.0

Trestles Elite Eco 20° Long

4.6/ 5.0

Comfort is crucial for a good night's sleep, especially when you're out in the wilderness. Both the Kelty Mistral 40 and the Marmot Trestles Elite Eco 20° Long score equally high in this category, with buyers praising their comfortable designs. The Mistral 40 offers a spacious natural fit foot box and a comfort hood, while the Trestles Elite Eco provides a roomy interior and a cushy blanket feel. The Mistral 40's women's specific cut and open toe box add to its comfort, while the Trestles Elite Eco's large foot box and comfortable hood make it a cozy choice. Ultimately, both sleeping bags excel in comfort, making this category a tie.

Durability

Mistral 40

3.6/ 5.0

Trestles Elite Eco 20° Long

3.9/ 5.0

Durability ensures your sleeping bag can withstand the rigors of outdoor use. The Marmot Trestles Elite Eco 20° Long edges out the Kelty Mistral 40 in this category. Buyers highlight the Trestles Elite Eco's rugged construction and large zippers, which contribute to its higher durability rating. The Mistral 40, while durable with its polyester shell and liner, has fewer mentions of long-term durability. For those who need a sleeping bag that can handle rough conditions, the Trestles Elite Eco is the better choice.

Warmth

Mistral 40

4.4/ 5.0

Trestles Elite Eco 20° Long

4.8/ 5.0

Warmth is essential for staying comfortable in cold outdoor environments. The Marmot Trestles Elite Eco 20° Long outperforms the Kelty Mistral 40 in this category, with buyers consistently praising its warmth and cozy insulation. The Trestles Elite Eco's maximum loft and warmth, along with its insulated draft tube, make it a top choice for cold nights. The Mistral 40, while warm, has a few complaints about its temperature rating, making the Trestles Elite Eco the superior option for those who need extra warmth.

Packability

Mistral 40

4.1/ 5.0

Trestles Elite Eco 20° Long

3.8/ 5.0

Packability is important for backpackers who need to save space in their packs. The Kelty Mistral 40 excels in this category, with buyers appreciating its included compression sack and lightweight design. The Mistral 40 weighs about 3 and a quarter pounds, making it easier to carry on long trips. The Trestles Elite Eco, while it comes with a compression sack, is heavier and bulkier, making it less ideal for backpacking. For those who prioritize packability, the Mistral 40 is the clear winner.

Ease Of Use

Mistral 40

4.1/ 5.0

Trestles Elite Eco 20° Long

3.4/ 5.0

Ease of use can make a big difference in your outdoor experience, especially when you're tired and ready to sleep. The Kelty Mistral 40 scores higher in this category, with buyers praising its non-snag zipper and dual slide snag-free locking zippers. These features make it easy to get in and out of the bag without hassle. The Trestles Elite Eco, while it has zippers that work well, has some complaints about snagging, making the Mistral 40 the more user-friendly option.

Versatility

Mistral 40

4.1/ 5.0

Trestles Elite Eco 20° Long

3.6/ 5.0

Versatility is key for those who camp in a variety of conditions. The Kelty Mistral 40 offers more versatility with its dual slide snag-free locking zippers, which provide venting options for different temperatures. The Mistral 40 is suitable for summer, spring, and autumn, making it a great all-around choice. The Trestles Elite Eco, while versatile, has fewer mentions of its adaptability to different conditions. For those who need a sleeping bag that can handle a range of temperatures, the Mistral 40 is the better option.

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Conclusion & Final Verdict:

In conclusion, the Kelty Mistral 40 and the Marmot Trestles Elite Eco 20° Long are both excellent budget sleeping bags, but they cater to different needs. The Mistral 40 is the better choice for backpackers who need a lightweight, packable, and easy-to-use sleeping bag. On the other hand, the Trestles Elite Eco is ideal for car campers who prioritize warmth and durability. Choose the Mistral 40 for versatility and packability, and the Trestles Elite Eco for superior warmth and ruggedness.

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