REI Co-op Campwell Sleeping Pad vs Zempire Monstamat Single 3D Sleeping Pad

Editorial Team
Last modified at April 28, 2026
When it comes to self-inflating camping mattresses, the REI Co-op Campwell Sleeping Pad and Zempire Monstamat Single 3D Sleeping Pad are two popular options. Both offer unique features and benefits that cater to different camping needs. This comparison will help you understand which sleeping pad might be the best fit for your next outdoor adventure.

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REI Co-op Campwell Sleeping PadZempire Monstamat Single 3D Sleeping Pad
REI Co-op Campwell Sleeping PadZempire Monstamat Single 3D Sleeping Pad
Weight

Regular: 56 oz XL: 72 oz

113.2 oz

R value

7

10.5

Thickness

2.5 in

3.9 in

Length

Regular: 72 in XL: 78 in

78 in

Width

Regular: 25 in XL: 30 in

26.8 in

Warranty

Limited warranty (defects only, no fixed duration)

2-year limited warranty

Material

Top: 100% recycled soft-stretch polyester Bottom: 100% recycled polyester Insulation: open-cell foam

30D super stretch ripstop polyester

Inflation time

Self-inflating

N/A

Packed size

Regular: 6.25 x 26 in XL: 9 x 30 in

28.3 x 9.4 x 9.4 in

Comfort

REI Co-op Campwell Sleeping Pad

4.9/ 5.0

Zempire Monstamat Single 3D Sleeping Pad

4.6/ 5.0

Comfort is crucial for a good night's sleep, especially after a long day of outdoor activities. A more comfortable sleeping pad can significantly enhance your camping experience by providing better support and reducing pressure points. The REI Co-op Campwell Sleeping Pad scores slightly higher in comfort, with a rating of 4.9/5 compared to the Zempire Monstamat's 4.6/5. This means that the Campwell pad offers a slightly plush feel, making it easier to get a good night's rest. However, both pads are highly praised for their comfort, so you can't go wrong with either choice.

Durability

REI Co-op Campwell Sleeping Pad

3.8/ 5.0

Zempire Monstamat Single 3D Sleeping Pad

2.8/ 5.0

Durability is essential for a sleeping pad, as it needs to withstand various terrains and conditions. A more durable pad will last longer and provide better value for your investment. The REI Co-op Campwell Sleeping Pad has a durability rating of 3.8/5, which is higher than the Zempire Monstamat's 2.8/5. This suggests that the Campwell pad is more likely to hold up over time, even with extended use. If durability is a top priority, the Campwell pad is the better choice.

Ease of use

REI Co-op Campwell Sleeping Pad

4.6/ 5.0

Zempire Monstamat Single 3D Sleeping Pad

3.8/ 5.0

Ease of use is important for a hassle-free camping experience. A sleeping pad that is easy to inflate and deflate can save you time and effort, allowing you to focus on enjoying your trip. The REI Co-op Campwell Sleeping Pad scores higher in ease of use with a rating of 4.6/5, compared to the Zempire Monstamat's 3.8/5. This indicates that the Campwell pad is quicker and simpler to set up, making it a more convenient option. If you value ease of use, the Campwell pad is the way to go.

Warmth

REI Co-op Campwell Sleeping Pad

4.6/ 5.0

Zempire Monstamat Single 3D Sleeping Pad

4.4/ 5.0

Warmth is a critical factor for camping in colder conditions. A sleeping pad with good insulation will keep you warm and comfortable throughout the night. Both the REI Co-op Campwell Sleeping Pad and the Zempire Monstamat Single 3D Sleeping Pad excel in warmth, with ratings of 4.6/5 and 4.4/5, respectively. The Campwell pad is slightly better, but both are excellent choices for cold weather camping. If warmth is your primary concern, either pad will serve you well.

Noise

REI Co-op Campwell Sleeping Pad

3.6/ 5.0

Zempire Monstamat Single 3D Sleeping Pad

3.0/ 5.0

Noise can be a significant factor, especially for light sleepers. A quieter sleeping pad will ensure that you and your camping partners can sleep undisturbed. The REI Co-op Campwell Sleeping Pad has a noise rating of 3.6/5, which is higher than the Zempire Monstamat's 3/5. This suggests that the Campwell pad is slightly quieter, making it a better choice for those sensitive to noise. However, both pads have some noise issues, so neither is perfect in this regard.

Stability

REI Co-op Campwell Sleeping Pad

3.8/ 5.0

Zempire Monstamat Single 3D Sleeping Pad

3.9/ 5.0

Stability is important for a comfortable and secure sleeping experience. A stable sleeping pad will stay in place and provide consistent support throughout the night. Both the REI Co-op Campwell Sleeping Pad and the Zempire Monstamat Single 3D Sleeping Pad have similar stability ratings, with the Campwell at 3.8/5 and the Monstamat at 3.9/5. This indicates that both pads offer comparable stability, so your choice may come down to other factors. If stability is a key consideration, either pad should meet your needs.

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Conclusion & Final Verdict:

After comparing the REI Co-op Campwell Sleeping Pad and the Zempire Monstamat Single 3D Sleeping Pad, it's clear that both have their strengths. The REI Co-op Campwell excels in comfort, durability, ease of use, and noise levels, making it a great all-around choice. On the other hand, the Zempire Monstamat offers better insulation and thickness, ideal for cold weather camping.

Final Verdict: If you prioritize comfort and ease of use, go with the REI Co-op Campwell Sleeping Pad. If you need better insulation and don't mind a bit more weight, the Zempire Monstamat Single 3D Sleeping Pad is the better option.

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