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 camping, a good night's sleep is essential for an enjoyable outdoor experience. The REI Co-op Campwell Sleeping Pad and the Zempire Monstamat Single 3D Sleeping Pad are two popular options designed to provide comfort and insulation in various camping conditions. Both products offer unique features and benefits, making them suitable for different types of campers and environments.

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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 restful 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 excels in this category with a comfort rating of 4.9/5, praised for its desired level of comfort and ability to help users sleep like a baby. While the Zempire Monstamat Single 3D Sleeping Pad also performs well with a 4.6/5 rating and positive feedback on its comfortable 3D design, the REI Co-op Campwell's slightly higher rating makes it the winner in this category.

Durability

REI Co-op Campwell Sleeping Pad

3.8/ 5.0

Zempire Monstamat Single 3D Sleeping Pad

2.8/ 5.0

Durability is important for a sleeping pad to withstand the rigors of outdoor use and provide long-lasting performance. A more durable sleeping pad means fewer worries about wear and tear, especially on rough terrain. The REI Co-op Campwell Sleeping Pad has a durability rating of 3.8/5, with feedback indicating it holds up well despite some concerns. The Zempire Monstamat Single 3D Sleeping Pad, however, has a lower durability rating of 2.8/5, with recurring complaints about its performance on rough terrain. Therefore, the REI Co-op Campwell is the clear winner in terms of durability.

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 a key factor for campers who want to set up their sleeping pad quickly and without hassle. A sleeping pad that is easy to inflate and deflate can save time and effort, allowing you to focus on enjoying your camping trip. The REI Co-op Campwell Sleeping Pad scores 4.6/5 in this category, with users praising its self-inflating feature and overall ease of use. The Zempire Monstamat Single 3D Sleeping Pad has a lower ease of use rating of 3.8/5, with positive feedback on its inflation process but not as strong as the REI Co-op Campwell. Thus, the REI Co-op Campwell is the winner in ease of use.

Warmth

REI Co-op Campwell Sleeping Pad

4.6/ 5.0

Zempire Monstamat Single 3D Sleeping Pad

4.4/ 5.0

Warmth is essential for camping in cold weather conditions, as a well-insulated sleeping pad can make a significant difference in your comfort and safety. A warmer sleeping pad ensures that you stay cozy and protected from the cold ground. The REI Co-op Campwell Sleeping Pad has a warmth rating of 4.6/5, with users praising its insulation and suitability for various weather conditions. The Zempire Monstamat Single 3D Sleeping Pad also performs well with a 4.4/5 rating and positive feedback on its insulation. However, the REI Co-op Campwell's slightly higher rating makes it the winner in this category.

Noise

REI Co-op Campwell Sleeping Pad

3.6/ 5.0

Zempire Monstamat Single 3D Sleeping Pad

3.0/ 5.0

Noise levels can affect your sleep quality, especially if you are a light sleeper. A quieter sleeping pad ensures that you and your camping partners are not disturbed by rustling or crinkling sounds. The REI Co-op Campwell Sleeping Pad has a noise rating of 3.6/5, with feedback indicating it is relatively quiet. The Zempire Monstamat Single 3D Sleeping Pad has a lower noise rating of 3.0/5, with less detailed feedback on its noise levels. Therefore, the REI Co-op Campwell is the winner in terms of noise.

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 ensuring that your sleeping pad stays in place throughout the night, providing consistent support and comfort. A more stable sleeping pad means you are less likely to slide off or shift positions uncomfortably. Both the REI Co-op Campwell Sleeping Pad and the Zempire Monstamat Single 3D Sleeping Pad have similar stability ratings, with the REI Co-op Campwell at 3.8/5 and the Zempire Monstamat at 3.9/5. Given the close ratings and positive feedback for both, this category is a tie.

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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 and weaknesses. The REI Co-op Campwell stands out for its comfort, durability, ease of use, and overall lighter weight, making it a great choice for campers who prioritize these features. On the other hand, the Zempire Monstamat offers better insulation, thickness, and width, which may appeal to those camping in colder conditions or needing extra cushioning.

Final Verdict: If you value comfort, durability, and ease of use, go with the REI Co-op Campwell Sleeping Pad. If you need better insulation and a thicker sleeping surface, the Zempire Monstamat Single 3D Sleeping Pad is the better option.

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