Sea To Summit Camp Plus Self-Inflating Sleeping Pad vs Therm-A-Rest ProLite Apex

Editorial Team
Last modified at April 28, 2026
When it comes to self-inflating camping pads, the Sea To Summit Camp Plus and Therm-A-Rest ProLite Apex are two popular choices among outdoor enthusiasts. Both pads offer unique features and benefits, making them suitable for different types of campers. The Sea To Summit Camp Plus is known for its excellent insulation and comfort, while the Therm-A-Rest ProLite Apex stands out for its durability and warmth. In this comparison, we'll dive into the specifics of each pad to help you make an informed decision.

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Sea To Summit Camp Plus Self-Inflating Sleeping PadTherm-A-Rest ProLite Apex
Sea To Summit Camp Plus Self-Inflating Sleeping PadTherm-A-Rest ProLite Apex
Weight

Regular: 37 oz Regular Wide: 48.3 oz Large: 45.7 oz Large Wide: 52.7 oz

18 oz

R value

5.3

4

Thickness

2.8 in

2 in

Length

Regular: 72 in Regular Wide: 72 in Large: 78 in Large Wide: 78 in

72 in

Width

Regular: 22 in Regular Wide: 25.2 in Large: 25.2 in Large Wide: 25.2 in

20 in

Warranty

Limited lifetime warranty (no fixed term)

Limited lifetime

Material

Polyester with TPU laminate and polyurethane foam insulation

Polyester

Inflation time

N/A

2 min

Packed size

Regular: 6.3 x 11 x 6.3 in Regular Wide: 7.5 x 13 x 7.5 in Large: 7.5 x 12.6 x 7.5 in Large Wide: 7.5 x 13 x 7.5 in

11 × 5.9 × 5.9 in

Comfort

Sea To Summit Camp Plus Self-Inflating Sleeping Pad

4.2/ 5.0

Therm-A-Rest ProLite Apex

4.4/ 5.0

Comfort is crucial for a good night's sleep during camping trips, as it directly impacts your rest and recovery. A more comfortable pad can make a significant difference in your overall camping experience, especially after a long day of outdoor activities. The Therm-A-Rest ProLite Apex slightly edges out the Sea To Summit Camp Plus in comfort, with a rating of 4.4/5 compared to 4.2/5. Buyers praise the ProLite Apex for its two inches of cushioning, which provides ample support and prevents hips from pushing into the ground. While both pads offer excellent comfort, the ProLite Apex's slight advantage makes it the winner in this category.

Durability

Sea To Summit Camp Plus Self-Inflating Sleeping Pad

3.6/ 5.0

Therm-A-Rest ProLite Apex

4.1/ 5.0

Durability is essential for camping pads, as they need to withstand rough terrain and frequent use. A more durable pad ensures longevity and better value for money over time. The Therm-A-Rest ProLite Apex excels in durability with a rating of 4.1/5, compared to the Sea To Summit Camp Plus's 3.6/5. Users report that the ProLite Apex can last easily 10 years without significant problems, making it a reliable choice for long-term use. Therefore, the ProLite Apex is the clear winner in terms of durability.

Ease of use

Sea To Summit Camp Plus Self-Inflating Sleeping Pad

4.2/ 5.0

Therm-A-Rest ProLite Apex

2.9/ 5.0

Ease of use is important for camping pads, as it affects how quickly and effortlessly you can set up your sleeping arrangement. A pad that is easier to inflate and deflate can save you time and effort, allowing you to focus on enjoying your camping trip. The Sea To Summit Camp Plus shines in this category with a rating of 4.2/5, compared to the Therm-A-Rest ProLite Apex's 2.9/5. The self-inflating feature of the Camp Plus makes it super easy to inflate and deflate, with a multi-function valve for adjusting comfort levels. This makes the Camp Plus the winner in ease of use.

Warmth

Sea To Summit Camp Plus Self-Inflating Sleeping Pad

4.9/ 5.0

Therm-A-Rest ProLite Apex

4.1/ 5.0

Warmth is a critical factor for camping pads, especially for those who camp in colder conditions. A pad with better insulation can keep you warm and comfortable throughout the night, enhancing your overall camping experience. The Sea To Summit Camp Plus outperforms the Therm-A-Rest ProLite Apex in warmth, with a rating of 4.9/5 compared to 4.1/5. The Camp Plus's excellent insulation makes it ideal for 3+ season camping, providing reliable warmth even in cold conditions. Therefore, the Camp Plus is the winner in terms of warmth.

Noise

Sea To Summit Camp Plus Self-Inflating Sleeping Pad

3.1/ 5.0

Therm-A-Rest ProLite Apex

3.4/ 5.0

Noise can be a significant factor for camping pads, as a noisy pad can disrupt your sleep and that of your camping partners. A quieter pad ensures a more peaceful and restful night's sleep. The Therm-A-Rest ProLite Apex has a slight edge over the Sea To Summit Camp Plus in this category, with a rating of 3.4/5 compared to 3.1/5. Buyers report that the ProLite Apex is relatively quiet, making it a better choice for those who are sensitive to noise. Thus, the ProLite Apex is the winner in terms of noise.

Stability

Sea To Summit Camp Plus Self-Inflating Sleeping Pad

3.1/ 5.0

Therm-A-Rest ProLite Apex

3.1/ 5.0

Stability is important for camping pads, as it affects how well you can move around without feeling like you're going to slide off. A more stable pad provides better support and comfort throughout the night. Both the Sea To Summit Camp Plus and the Therm-A-Rest ProLite Apex have the same rating of 3.1/5 for stability. Buyer feedback does not provide enough detail to treat stability as a standout benefit or a major drawback for either pad. Therefore, this category is a tie.

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Conclusion & Final Verdict:

After comparing the Sea To Summit Camp Plus and the Therm-A-Rest ProLite Apex, it's clear that both pads have their strengths and weaknesses. The Sea To Summit Camp Plus excels in warmth, ease of use, and offers more size options, making it a great choice for those who prioritize comfort and insulation. On the other hand, the Therm-A-Rest ProLite Apex stands out for its durability, lighter weight, and smaller packed size, making it ideal for backpackers and those who need a reliable pad for long-term use.

Final Verdict:

  • Choose the Sea To Summit Camp Plus if you value warmth, ease of use, and comfort.
  • Opt for the Therm-A-Rest ProLite Apex if you prioritize durability, weight, and packed size.
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