Therm-A-Rest ProLite Apex vs REI Co-op Westward Dreamer Self-Inflating Bed

Editorial Team
Last modified at April 28, 2026
Choosing the right self-inflating camping mattress can make a significant difference in your outdoor experience. The Therm-A-Rest ProLite Apex and REI Co-op Westward Dreamer Self-Inflating Bed are both popular choices, but they cater to different needs and preferences. This comparison will help you understand which mattress aligns best with your camping style and requirements.

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Therm-A-Rest ProLite ApexREI Co-op Westward Dreamer Self-Inflating Bed
Therm-A-Rest ProLite ApexREI Co-op Westward Dreamer Self-Inflating Bed
Weight

18 oz

Long X-Wide: 5 lb 11 oz
Long Wide: 4 lb 9 oz

R value

4

6.7

Thickness

2 in

4 in

Length

72 in

76 in

Width

20 in

Long Wide: 25 in
Long X-Wide: 30 in

Warranty

Limited lifetime

Limited lifetime warranty (no fixed term)

Material

Polyester

75-denier recycled polyester bottom & sides, 30-denier recycled stretch polyester top

Inflation time

2 min

N/A

Packed size

11 × 5.9 × 5.9 in

Long X-Wide: 11 × 32 in
Long Wide: 11 × 28 in

Comfort

Therm-A-Rest ProLite Apex

4.4/ 5.0

REI Co-op Westward Dreamer Self-Inflating Bed

4.6/ 5.0

Comfort is crucial for a good night's sleep, especially after a long day of outdoor activities. A more comfortable mattress can significantly enhance your camping experience by providing better support and cushioning. The REI Co-op Westward Dreamer Self-Inflating Bed edges out the Therm-A-Rest ProLite Apex in comfort, with users praising its desired level of comfort and ability to sleep like a baby. While the ProLite Apex also offers good comfort with two inches of cushion, the Westward Dreamer's higher comfort rating makes it the better choice for those prioritizing a restful sleep.

Durability

Therm-A-Rest ProLite Apex

4.1/ 5.0

REI Co-op Westward Dreamer Self-Inflating Bed

2.8/ 5.0

Durability ensures that your camping mattress can withstand the rigors of outdoor use over time. A more durable mattress means fewer replacements and better long-term value. The Therm-A-Rest ProLite Apex excels in durability, with users reporting it lasts easily 10 years without a single problem. In contrast, the REI Co-op Westward Dreamer has durability concerns, particularly with its foam core. For campers who need a mattress that can handle rough terrain and frequent use, the ProLite Apex is the clear winner.

Ease of use

Therm-A-Rest ProLite Apex

2.9/ 5.0

REI Co-op Westward Dreamer Self-Inflating Bed

4.1/ 5.0

Ease of use is important for a hassle-free camping experience, allowing you to set up quickly and efficiently. A mattress that is easier to inflate and use can save time and effort, especially after a long day of hiking. The REI Co-op Westward Dreamer Self-Inflating Bed is significantly easier to use, with positive feedback on its self-inflating feature and clear instructions. The Therm-A-Rest ProLite Apex, however, has more concerns raised about its inflation process. For those who value convenience and ease of setup, the Westward Dreamer is the better option.

Warmth

Therm-A-Rest ProLite Apex

4.1/ 5.0

REI Co-op Westward Dreamer Self-Inflating Bed

4.4/ 5.0

Warmth is essential for camping in cold conditions, ensuring you stay comfortable throughout the night. A warmer mattress can make a significant difference in your overall camping experience, especially in chilly environments. The REI Co-op Westward Dreamer Self-Inflating Bed provides slightly better warmth, with users praising its ability to maintain warmth in all conditions. While the Therm-A-Rest ProLite Apex also offers good insulation, the Westward Dreamer's higher warmth rating makes it the preferred choice for cold-weather camping.

Noise

Therm-A-Rest ProLite Apex

3.4/ 5.0

REI Co-op Westward Dreamer Self-Inflating Bed

3.6/ 5.0

Noise levels can affect your sleep quality, especially in quiet outdoor settings. A quieter mattress ensures that you won't be disturbed by crinkly noises when you shift positions. The REI Co-op Westward Dreamer Self-Inflating Bed is slightly quieter, with users reporting minimal noise. The Therm-A-Rest ProLite Apex, while not overly noisy, does have some complaints about noise levels. For those sensitive to noise, the Westward Dreamer is the better choice.

Stability

Therm-A-Rest ProLite Apex

3.1/ 5.0

REI Co-op Westward Dreamer Self-Inflating Bed

3.4/ 5.0

Stability ensures that the mattress stays in place and supports your weight evenly. A more stable mattress provides better support and prevents you from sliding off during the night. The REI Co-op Westward Dreamer Self-Inflating Bed offers slightly better stability, with users praising its sturdiness and ability to hold up user weight. While the Therm-A-Rest ProLite Apex also provides decent stability, the Westward Dreamer's higher stability rating makes it the better option for those who prioritize a stable sleeping surface.

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Conclusion & Final Verdict:

After comparing the Therm-A-Rest ProLite Apex and REI Co-op Westward Dreamer Self-Inflating Bed, it's clear that each has its strengths. The REI Co-op Westward Dreamer excels in comfort, warmth, and ease of use, making it ideal for campers who prioritize a good night's sleep and convenience. On the other hand, the Therm-A-Rest ProLite Apex stands out in durability and packed size, suitable for those who need a long-lasting and compact mattress.

Choose the REI Co-op Westward Dreamer if you value comfort and ease of use. Opt for the Therm-A-Rest ProLite Apex if durability and a smaller packed size are more important to you.

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