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Nemo Roamer Review

Angelique Herring bio photo
Eli Bernstein bio photo
May 27, 2025
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Our Take:
4.3/5
Certified
The Nemo Roamer XL Wide ($250) checks nearly every box for a premium car camping mattress: it’s thick, cushy, warm, and impressively roomy for one. What sets it apart is its relatively compact packed size, which makes it easier to store and transport than much of the competition. While it’s quite expensive and can’t quite match the plushness of top-tier models, it comes close—and the tradeoff in comfort is minimal for the added convenience.
Comfort

Comfort

4.5/5
Warmth

Warmth

4/5
Durability

Durability

4/5
Ease of Use

Ease of Use

3.5/5
Weight & Packability

Weight & Packability

4/5
Sustainability

Sustainability

4.9/5

Dimensions

78 x 30 x 4 in. (XL)

Type

Self-inflating mat

R-value

6.0

Weight

5 lb. 8 oz.

Pros

Premium construction and thick build effectively isolates you from the ground.
Toggles along the side let you connect two Roamers to form a queen-sized mattress.
Helpful valve instructions are printed on the pad itself.

Cons

Relatively difficult to pack into its stuff sack, even if the compact size is worth the struggle.
Doesn’t have the memory foam feel of our top picks.

For this season's top models, see our guide to the Best Camping Mattresses.

The Nemo Roamer XL Wide is one of the most comfortable camping mattresses we’ve tested—only narrowly edged out by top-tier options like the Exped MegaMat, Therm-a-Rest MondoKing, and Hest Foamy. It comes in just one size, but it’s a generous one: 4 inches thick, 30 inches wide, and 78 inches long. That plush build easily kept me off the ground and felt quiet and stable throughout the night, with no crinkling or rustling. The Roamer’s comfort is very comparable to the REI Camp Dreamer XL, with both offering a supportive, home-mattress-like feel. That said, the Roamer’s foam topper is just a bit less cushy than the MegaMat and MondoKing, likely due to Nemo’s focus on compressibility. For campers prioritizing pure plushness, there are slightly more luxurious options. But for a mat that balances excellent comfort with relatively easy storage, the Roamer is a standout.

With an R-value of 6.0, the Nemo Roamer XL Wide offers reliable insulation for three-season camping and into the shoulder months. It’s a step below winter-ready options like the Exped MegaMat (8.1), Therm-a-Rest MondoKing (7.0), or Exped DeepSleep (9.0), but still more than adequate for most campers. I used the Roamer during chilly spring nights in rural Pennsylvania, with overnight lows around 40°F, and stayed perfectly comfortable paired with a mid-range sleeping bag. For colder-weather campers venturing into the low 20s or teens, you might want to supplement with a closed-cell foam mat underneath or upgrade to a higher R-value design. But for the vast majority of outings, the Roamer delivers dependable warmth.

The Nemo Roamer is built to last, with premium materials that match top-tier camping mattress competitors. Its construction includes a soft and stretchy 50-denier top and a reinforced 75-denier polyester base—identical to what you’ll find on class leaders like the Exped MegaMat and Therm-a-Rest MondoKing. It’s tough enough to stand up to kids and most dogs, though not quite as bombproof as an all-foam design like the Hest Foamy. The Roamer features two inflation valves and one deflation valve, all of which performed flawlessly during testing with no signs of leakage. For added protection, the included stuff sack is handy for both transport and long-term storage. Overall, it’s a robust and reliable choice for car campers.

The Nemo Roamer XL Wide features two inflation valves and one deflation valve, with basic printed instructions on the mat itself. While helpful, the illustrations may be a bit unclear if you're not already familiar with self-inflating designs. Setup starts by opening both inflation valves—expect about 30 minutes for the mat to mostly inflate on its own. To finish the job, you’ll close one valve and use the included pump sack, which attaches to the far-left valve. As with most self-inflating mats, inflation was a bit quicker on the first use; on later trips, I consistently needed to top it off manually for full comfort.


Packing it away isn’t quite as smooth. The Roamer rolls down impressively compact for a mat this size, but the top-loading stuff sack is tight and makes for a finicky fit. A side-loading or more generously sized bag would be a welcome improvement. One nice bonus: integrated toggles let you connect multiple Roamers to create a larger sleeping surface—ideal for couples or families looking to double up.

At 5 pounds 8 ounces, the Nemo Roamer doesn’t break any weight records, but its compact packed size of 16.0 x 10.0 inches is a real standout for a mat this plush. Unlike most car camping mattresses that roll up into long tubes, the Roamer folds and then rolls—much like a backpacking mat—which makes it easier to stash in a trunk or overloaded gear bin. I found it noticeably simpler to pack into my van on fall trips compared to bulkier competitors.


For reference, the Therm-a-Rest MondoKing packs down to a much larger 26 x 10.3 inches, and the Exped MegaMat LXW is even more unwieldy at 31.1 x 9.8 inches. While the Roamer doesn’t offer a significant weight savings over those two (most premium mats are around 5-6.5 lb.), its efficient packability makes it a great option for spontaneous getaways or those tight on storage space.

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Longevity

Choosing durable outdoor gear and keeping it in use for longer is one of the best ways to reduce environmental impact. Our proprietary longevity rating assesses factors like overall build quality, materials, fabric denier, component durability, and real-world performance. A green check indicates that we expect the product to be long-lasting relative to its peers, a yellow check mark indicates average longevity, and a red X indicates a product that may have a limited lifespan.

Therm-a-Rest MondoKing 3D ($250): Thicc and Light
With a height of 4.25 inches, the Therm-a-Rest MondoKing 3D is the thickest pad we tested. And, in fact, it’s perhaps the most comfortable pad we slept on, with a heft to its cushion that both cradles and supports the body. This model is a clear winner for side sleepers, although the Roamer is no slouch in that department, either. The MondoKing is also lighter, weighing 4 pounds 6 ounces in its large size, but is 5 inches slimmer than the 30-inch-wide Roamer. (However, it packs down to a much bulkier size.) The latter pad is much more compact in its stuff sack so is a better choice if storage space in your car or closet is at a premium, and it’s also quicker to deflate. Those are about the only reasons to choose the Roamer over the MondoKing, though, and we think most people will probably pick the cushier pad. For more, check out our review of the Therm-a-Rest MondoKing 3D.


Exped MegaMat LXW ($260): Much Warmer, and Comfier
Like the MondoKing, the Exped MegaMat LXW also bests the Roamer in terms of comfort. This 4-inch-thick pad won high praise from our testers for its plush yet supportive foam and tricot polyester topper, while its 75-denier polyester bottom should stand the test of time. This version of the MegaMat is the same size as the Roamer, and though it lacks toggles for lashing two pads together it also comes in a Duo version. It’s much warmer than the Roamer (it has an 8.1 R-value) so you can use it in true winter conditions, although all that cushion and warmth causes it to pack down to double the Roamer’s size, and it can be a chore to fully deflate. (At least the MegaMat packs neatly into its burrito-style stuff sack.) Although you won’t regret buying the Roamer, the MegaMat is the superior option. For more, read our review of the Exped MegaMat Duo.

Nemo Roamer ($250)
Top of the Nemo Roamer sleeping mattress
4.3/5

The Roamer is a quality car camping pad that almost reaches the comfort heights of the category’s leaders. It beats them in packed size and inflation/deflation time, though, even if it can’t match its competitors for warmth or a truly cloudlike feel.

Dimensions
78 x 30 x 4 in. (XL)
Type
Self-inflating mat
R-value
6.0
Weight
5 lb. 8 oz.
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Comfort

4.5/5
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Warmth

4/5
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Durability

4/5
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Ease of Use

3.5/5
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Weight & Packability

4/5
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Sustainability

4.9/5
Therm-a-Rest MondoKing 3D ($260)
Lounging on the Therm-a-Rest MondoKing 3D sleeping mattress
4.7/5

The MondoKing is the ultimate one-person car camping mat. It’s even thicker than other worthy competitors, and its raised foam and soft fabric make for an all-around wonderful feel. This pad’s high quality is matched by its high price, though.

Dimensions
77 x 25 x 4.25 in. (L)
Type
Self-inflating mat
R-value
7.0
Weight
4 lb. 6 oz.
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Comfort

5/5
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Warmth

4.5/5
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Durability

4/5
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Ease of Use

4/5
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Weight & Packability

3.5/5
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Sustainability

1.8/5
Exped MegaMat Duo ($450)
Camper in sleeping bag laying on the Exped Megamat Duo sleeping mattress
4.6/5

This double-wide pad is the ultimate sleep platform for outdoorsy couples or solo campers who want to max out their sleeping space. The MegaMat is plush, warm, and supportive, and the new version has some welcome design updates. If only it were less expensive and easier to inflate.

Dimensions
78 x 52 x 4 in. (LW+)
Type
Self-inflating mat
R-value
8.1
Weight
9 lb. 11.2 oz.
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Comfort

5/5
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Warmth

5/5
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Durability

4/5
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Ease of Use

3/5
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Weight & Packability

2/5
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Sustainability

4.2/5

Is the Nemo Roamer for You?

If you’re looking for a camping mattress that’s both plush and easy to pack, the Nemo Roamer XL Wide hits a sweet spot. It’s not quite as cushy as the most luxurious mats we’ve tested, but it still delivers excellent comfort and insulation in a design that compresses far better than most. You’ll need to be patient during setup and takedown, and the top-loading stuff sack is a bit of a squeeze. But for campers tight on vehicle or gear space, the Roamer is a well-rounded, space-saving standout.

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