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 adventures. The Therm-A-Rest ProLite Apex and REI Co-op Westward Dreamer Self-Inflating Bed are both popular choices, each offering unique benefits. This comparison will help you understand which mattress aligns best with your camping needs, whether you prioritize comfort, durability, or ease of use.

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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 a higher rating of 4.6/5 compared to 4.4/5. Buyers consistently praise the REI Co-op Westward Dreamer for its desired level of comfort, making it the better choice for those who value 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 is essential for campers who frequently venture into rough terrains. A durable mattress ensures longevity and reliable performance over time. The Therm-A-Rest ProLite Apex excels in this category with a rating of 4.1/5, thanks to positive feedback about its long-lasting construction. In contrast, the REI Co-op Westward Dreamer has a lower durability rating of 2.8/5, with concerns about its foam core. For campers seeking a long-term investment, the Therm-A-Rest 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 campers who want to spend less time setting up and more time enjoying the outdoors. A mattress that inflates quickly and effortlessly can save time and reduce hassle. The REI Co-op Westward Dreamer Self-Inflating Bed scores higher in this category with a rating of 4.1/5, praised for its quick self-inflation. The Therm-A-Rest ProLite Apex, with a rating of 2.9/5, requires more effort to inflate. For those who value convenience, the REI Co-op 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 a critical factor for campers who venture into cold-weather conditions. A mattress with good insulation can keep you warm and comfortable throughout the night. The REI Co-op Westward Dreamer Self-Inflating Bed has a slight edge in warmth with a rating of 4.4/5, compared to the Therm-A-Rest ProLite Apex's 4.1/5. Buyers appreciate the REI Co-op Westward Dreamer's ability to maintain warmth in various conditions, making it a better 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 the quality of your sleep, especially in quiet outdoor environments. 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 has a slightly higher noise rating of 3.6/5 compared to the Therm-A-Rest ProLite Apex's 3.4/5. While both mattresses are relatively quiet, the REI Co-op Westward Dreamer is marginally better in this category.

Stability

Therm-A-Rest ProLite Apex

3.1/ 5.0

REI Co-op Westward Dreamer Self-Inflating Bed

3.4/ 5.0

Stability is important for campers who move around a lot in their sleep. A stable mattress provides better support and prevents you from sliding off. The REI Co-op Westward Dreamer Self-Inflating Bed has a higher stability rating of 3.4/5 compared to the Therm-A-Rest ProLite Apex's 3.1/5. Buyers find the REI Co-op Westward Dreamer to be sturdy and capable of holding user weight effectively, making it the better choice for those who value stability.

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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, ease of use, warmth, noise, and stability, making it a great choice 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, ideal 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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