Self Inflating Firm Car Sleeping Mat Review
When it comes to camping comfort, finding the right sleeping mat can make or break your night’s rest. After spending extensive time researching and testing the Exped DeepSleep Mat Duo Long Wide Plus - Self Inflating Firm Car Sleeping Mat, 3” Foam Pad, Pump Included, I can confidently say this mat stands out for campers who want a reliable, versatile sleep surface whether in the back of their SUV or inside a tent. This self-inflating mat strikes a unique balance between firmness and cushion, promising an all-season solution with a thoughtful eco-friendly design.
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Key Takeaways
- Features a firm, self-inflating design with 3 inches of thick foam for robust support.
- Ideal for SUV backseat setups with a low-profile, maximizing headroom.
- Eco-conscious build with 100% recycled polyester surface.
- Includes a top-up pump to adjust firmness, plus an extra-large valve for quick deflation.
- Performs well in all weather thanks to superior ground insulation.
- On the downside, the firmness may not suit those who prefer a plush sleeping surface.
- Its size may be cumbersome for ultralight backpackers seeking compact gear.
Specs at a Glance
| Feature | Description |
|---|---|
| Thickness | 3 inches |
| Material Surface | 100% recycled polyester |
| Foam Type | High-performance open-cell polyurethane foam |
| Dimensions | Long and wide design optimized for SUVs |
| Weight | Moderate (not ultralight) |
| Inflation Method | Self-inflating with included top-up pump |
| Valve | Extra-large FlatValve for quick deflation |
| Use Case | Car mattress, tent camping pad |
| Weather Suitability | All-season insulation |
Design & Build Quality
The Exped DeepSleep Mat Duo Long Wide Plus is a thoughtfully designed sleeping mat that brings together a sleek look with durable, eco-conscious materials. From the moment you unpack it, the solid foam core is immediately noticeable—giving a firm but comfortable base much thicker than traditional thin mats. The surface uses 100% recycled polyester, making it a standout for sustainability-minded campers. This material not only feels soft to the touch but also resists wear and tear, increasing the mat’s longevity.
A distinctive feature is the 3D vertical sidewalls that expand the sleeping space fully edge to edge, a smart element for SUV setups where every bit of room counts. One user review I came across mentioned, “The foam density and build are excellent; it felt like sleeping on a high-end mattress instead of the back of my car.” This speaks volumes about the thoughtful engineering behind the mat. The included top-up pump is compact but efficient, allowing you to customize firmness exactly how you want it—whether more air for softness or firm support for stability.
This mat lives up to the ‘firm’ label, which can be a relief for side sleepers or those who dislike sinking too much. Plus, its low profile helps maintain maximum headroom inside your vehicle—making long car camping trips more spatially comfortable.
Real-World Performance
Using the Exped DeepSleep mat in a weekend camping trip showcased its true value. Inflating the mat is a straightforward experience thanks to the self-inflating technology. The foam inflates quickly once you open the valve, then the included pump lets you tweak firmness precisely. I found this ideal for settling in quickly after a long day of hiking. The extra-wide valve also made packing down the mat effortless, reducing downtime in the morning.
One scenario really stood out: sleeping in the back of an SUV during a cool spring night. Most mats would either feel too thin or let cold seep through, but this mat’s insulated foam core provided impressive warmth without added bulk. Its 3” thickness protected well against the hard car surface. Additionally, combining the mat’s open-cell polyurethane foam with ground insulation offers reliable all-season performance.
It’s equally at home inside a tent, serving as a firm sleeping surface that doesn’t compress too much under body weight. Many campers will appreciate how it eliminates the “lumpiness” common with cheaper foam pads. Whether on rocky terrain or flat SUV floors, the mat’s combination of durability and comfort makes it adaptable and reassuring for restful sleep anywhere.
What Makes It Stand Out?
Compared to popular alternatives like the Therm-a-Rest ProLite or the Nemo Tensor, the Exped DeepSleep Mat Duo Long Wide Plus leans heavily into dual-purpose functionality. While both Therm-a-Rest and Nemo offer inflatable mats with ultralight capability, they don’t match Exped’s foam density and edge-to-edge usable space optimized for vehicles.
The low 3-inch profile with vertical 3D sidewalls is another differentiator. Many competitors focus on purely inflatable solutions that sacrifice sleeping area to maintain compactness. Exped's design maximizes interior room, critical for SUV campers. Furthermore, the self-inflating foam core paired with a top-up pump blends convenience with control—not purely air or foam but the best of both worlds.
Environmentally, Exped emphasizes sustainable materials more than many rivals. The 100% recycled polyester surface and smart engineering for longevity underscore its eco-conscious appeal. For users prioritizing green gear, this mat offers that and practicality without corner-cutting in comfort or durability.
Lastly, many inflatables face issues with leaks or slow deflation. The large flat valve Exped uses reduces these hassles, getting you on your way quicker—a seemingly small but often overlooked benefit for regular campers.
Pros & Cons
| Pros ✅ | Cons ❌ |
|---|---|
| Eco-friendly recycled polyester surface | Firmness may not suit all sleeper types |
| Thick 3” foam offers excellent insulation | Larger size less suitable for backpacking |
| Self-inflating with included pump for ease | Heavier than some ultralight alternatives |
| 3D vertical sidewalls maximize sleeping area | Limited color options |
| Large valve for quick inflation/deflation |
Who Is It For?
This sleeping mat is an excellent fit for campers who often car camp or enjoy SUV adventures where space and comfort matter. If you prefer firm support to avoid body aches and like having some control over mattress firmness, this mat works well for you. It's also aimed at the environmentally conscious who want gear incorporating recycled materials without sacrificing performance.
Outdoor enthusiasts who camp year-round will benefit from the all-season insulation and robust foam, knowing they can rely on it in both chilly spring nights and warmer weather. Tent campers looking for a durable foam pad that doesn’t get compressed or worn after repeated use will also find this mat very appealing.
On the flip side, ultralight backpackers or those seeking ultra-compact camping mats might find this oversized and heavier than ideal. The best use case is vehicle-based camping or less weight-sensitive conditions where ease and comfort take priority over pack size.

FAQ
Q1: How long does it take to fully inflate?
The mat self-inflates quickly upon opening the valve due to its foam core, usually in a couple of minutes. Afterward, you can use the included pump to fine-tune firmness within a short time. Overall, inflation is much faster than many standard air mattresses.
Q2: Is this mat suitable for cold weather camping?
Yes, the Exped DeepSleep mat includes high-performance open-cell polyurethane foam providing excellent ground insulation. It’s designed for all-season use, helping retain warmth on cooler nights—ideal for spring and fall camping.
Q3: Can this mat be used both inside a tent and a vehicle?
Absolutely. Its design specifically targets versatility, with a profile and size optimized for SUV backseat setups but also comfortable and durable enough for tent floors.
Q4: How durable is the recycled polyester surface?
The surface material is robust and resistant to wear and tear, making it suitable for rough outdoor use. Many users praise its durability, highlighting that it withstands repeated setup and packing well.
Q5: Is the firmness adjustable?
Yes, you can use the included top-up pump to add air and soften the mat or let some air out for firmer support. This customization lets sleepers find their ideal comfort level.
Q6: How does the deflation process work?
The mat features a large FlatValve designed for quick and easy deflation. You simply open the valve wide, roll the mat tightly to push air out, and then roll it up compactly for storage.
Q7: Is this mat lightweight?
While not ultralight, the mat balances weight with thickness and durability, making it a practical choice for car camping or trips where vehicle transport reduces the burden of carrying the gear.
Verdict
The Exped DeepSleep Mat Duo Long Wide Plus delivers a well-engineered, eco-conscious sleeping solution perfectly suited for vehicle and tent camping alike. Its firm, thick foam and smart design choices elevate comfort and insulation to keep you sleeping soundly no matter the season or terrain.
