Klymit
Klymit Klymaloft Summit
No citable owner-review average published for this one, so no stars.
A foam topper bonded over I-beam air chambers, which is a genuinely good idea: the foam takes the pressure points and the air takes the load. It is comfortable in a way that pure air pads are not. The thing to read carefully is the R-value — 2.4 is a summer number on a pad that looks and feels like a winter mattress, because the foam layer is comfort foam, not insulation. On a 40-degree campground night this will feel colder than its four inches of plush suggest.
What this pad supports
R 2.4 puts it in the three-season band — spring through autumn, above freezing. On the pairing table that supports a bag rated to roughly 40 °F comfort before the ground becomes the limiting factor.
Size run
One product, 3 sizes. The headline numbers on this page describe the Regular.
| Size | Weight | Approx. price | Length | Width |
|---|---|---|---|---|
| Regular | 2 lb 6.4 oz | ~$150 | 72 in | 23 in |
| Extra Large | 3 lb 3.2 oz | ~$170 | 78 in | 29 in |
| Double | 6 lb | ~$270 | 78 in | 53 in |
Specifications
Highlights
Features
- Foam topper
- Rectangular option
- Wide option
- Double or two-person option
- Quiet fabric
What it does well
- The bonded foam topper takes pressure points off hips and shoulders in a way pure air chambers cannot.
- $150 for a 3.5-inch camping mattress, with a genuine 53-inch Double at $270.
- Quiet stretch fabric with no crinkle at all.
- 75-denier polyester and a flip valve that is easy to micro-adjust.
What it costs you
- R-value 2.4 is the lowest of any camping mattress here — the plush top is comfort foam, not insulation.
- 38 ounces in the Regular and six pounds in the Double.
- Mouth inflation only on a pad this big is genuinely tiring.
- The foam topper means it never packs as small as an equivalent air mattress.
Those two lists are drawn from Klymit’s published specifications and from reviews that measured them. They are not owner sentiment — anything owners said appears under its own heading below.
What owners say
Distilled from owner discussions and long-term published reviews, not from anything measured here.
The Klymaloft is a foam topper bonded over air chambers, and its owners describe it in exactly those terms: the foam is what makes it comfortable, and it is comfortable enough that people with back injuries and scoliosis name it specifically.
What owners do not talk about is warmth, and the published figure explains why they should. At R 2.4 this is a summer mattress with a luxurious surface, not a cold-weather one, and the plush foam layer does no insulating work. Given Klymit's history with R-values, that is worth stating plainly.
The value case is the strongest part of the story — owners describe finding it at half the price of the premium mattress they had been considering and being happy with the trade.
What owners like
- Owners describe the memory-foam topper as the thing that makes it comfortable, and report waking without aches.
- The double version gets specific praise from couples for car camping.
- It is significantly cheaper than the premium camping mattresses owners were looking at before finding it.
- Packs small enough that owners stuff them into kayaks, which is not true of most mattresses this comfortable.
Common complaints
- The R-value is low for a camping mattress and the brand's history of overstated warmth figures makes owners cautious about taking anything from Klymit at face value.
- Owners with back injuries who love the comfort say nothing about cold-weather use, and the published figure suggests they should not.
- Weight is car-camping territory even in the single version.
Questions owners ask
Is the foam topper worth it?
Is it warm enough for cold camping?
How does it compare to the expensive camping mattresses?
Other pads at this level
More from Klymit →
The insulated version of the Static V, and a much more interesting product: R-value 4.2 for $100, which is half what most pads with that rating cost. It gets there with both reflective film and Klymalite synthetic fill, and it keeps the 75-denier polyester and the 23-inch width. The compromises are the ones you would expect at the price — 22 ounces, only two and a half inches of loft, and a flip valve you inflate by mouth.
Best for: Three-season backpacking on a real budget
Full spec sheet
Klymit
Klymit Static V Base
Fifty dollars, 23 inches wide, and R-value 1.3 — which is the honest reason it costs fifty dollars. There is no insulation in it at all; the V-chamber pattern reduces air movement inside the pad, which helps a little, but on cold ground this loses heat fast. What it is good at is being cheap, wide, tough (75-denier polyester) and small enough to pack. For summer, for a spare, for a guest, or stacked on top of a foam pad, it earns its place. As a three-season pad it does not.
Best for: Warm-weather trips, spare pads and guests
Full spec sheet
Sea to Summit
Sea to Summit Camp Plus Self Inflating
R-value 5.3 for $99 is the best warmth-per-dollar figure in this catalogue by a wide margin — the nearest air pad with that rating costs more than twice as much. The catch is 37 ounces and a packed size you would not put in a backpack. Sea to Summit varies the foam density along the pad so the insulation sits where the body is and the weight comes out where it isn't, which is why this is thinner and lighter than most self-inflating pads at this R-value.
Best for: Campground sleeping and anyone who wants warmth without spending
Full spec sheet