Bottom Line
The Therm-a-Rest Z Lite Sol is a classic closed-cell foam option for backpackers who prioritize simplicity, low weight, durability, and price. In our guide to the best backpacking sleeping pads, it is the budget-friendly foam pick for minimalist hikers who value instant setup and puncture-proof reliability over cushioning. It weighs 14 ounces in the Regular size, unfolds in seconds, and cannot fail from a puncture or leaking valve.
We used the Z Lite Sol on a PCT thru-hike, where its durability and ease of use were major advantages over thousands of trail miles. The foam also makes it useful beyond sleeping: it works as a sit pad, ground protector, dog bed, or supplemental insulation layer beneath an inflatable.
The tradeoffs are the same ones that define most foam pads. At only 0.75 inches thick, the Z Lite Sol is much firmer than an air pad and is less forgiving for side sleepers or rough campsites. Its R-value of 2.0 also makes it a mild-weather standalone pad rather than a cold-weather solution.
For minimalist hikers who are comfortable on firm surfaces, the Z Lite Sol remains a simple, reliable choice.
How We Tested
CleverHiker founder Dave Collins used the Therm-a-Rest Z Lite Sol on his PCT thru-hike and has extensive long-distance experience with closed-cell foam pads.
We evaluated the Regular rectangular version for comfort, weight, packability, durability, warmth, ease of use, and versatility.
Quick Specs
- Best for: Thru-hiking, summer backpacking, minimalist hikers, supplemental insulation
- Tested size: Regular rectangular
- Tested dimensions: 72 x 20 x 0.75 in., manufacturer listed
- Fabric: Closed-cell foam with reflective ThermaCapture coating
- Included: Sleeping pad only
Therm-a-Rest Z Lite Sol
Budget-Friendly Closed-Cell Foam Sleeping Pad
CleverHiker Rating: 4.3/5.0
Price: $60
Weight: 14 oz., Regular
R-Value: 2.0
Thickness: 0.75 in.
Pros
- Very durable
- Instant setup
- Affordable
- Lightweight
- No puncture or leak risk
- Useful for sitting and extra insulation
Cons
- Firm and minimally cushioned
- Bulky packed size
- Low standalone warmth
- Foam compresses over time
Comfort
Comfort is not the Z Lite Sol’s strength. At 0.75 inches thick, the foam gives you far less cushioning than an inflatable and does little to hide rocks, roots, or uneven ground.
Back and stomach sleepers who already prefer firm surfaces generally adapt best. Side sleepers are more likely to feel pressure through hips and shoulders because there is very little depth to absorb body weight.
The molded dimples provide more support than a completely flat foam sheet, but campsite selection still matters much more than it does with a thick air pad.
Over extended use, the foam nodes gradually compress and lose some loft, so the pad becomes less cushioned over time.
Comfort Score: 3.5 / 5.0
Weight & Packability
At 14 ounces for the Regular, the Z Lite Sol is light enough for thru-hiking and long-distance backpacking.
The downside is volume. Folded, the Regular measures about 20 by 5.5 by 5 inches, so it is far bulkier than an inflatable and usually rides on the outside of a backpack.
That external carry is easy because the foam is not vulnerable to punctures, but it can still be awkward on small packs or when scrambling through brush.
For hikers who care more about low weight than compact volume, the tradeoff works. For those who want everything inside the pack, an inflatable is easier to manage.
Weight Score: 4.5 / 5.0
Durability
Durability is the Z Lite Sol’s biggest advantage. There are no air chambers, valves, welds, or seams that can fail and leave you sleeping directly on the ground.
It tolerates rough campsites, rocks, sticks, and repeated external carry much better than an inflatable. That reliability is one reason it has remained popular with thru-hikers for so long.
The foam does slowly compress under repeated use, especially in high-pressure areas, so it is not literally permanent. But that wear is gradual and predictable rather than sudden.
For backpackers whose top priority is avoiding punctures and field repairs, the Z Lite Sol is one of the safest choices available.
Durability Score: 5.0 / 5.0
Warmth
The Z Lite Sol has an R-value of 2.0, which makes it best suited to summer and mild-weather backpacking when used by itself.
The reflective ThermaCapture surface improves heat retention compared with plain foam, and the dimples trap small pockets of warm air beneath the sleeper.
Still, the pad is thin and does not provide enough insulation for us to treat it as a cold-weather standalone option.
Where it becomes more useful in colder conditions is underneath an inflatable, where it adds insulation while protecting the air pad from abrasion and punctures.
Warmth Score: 3.5 / 5.0
Ease of Setup
The Z Lite Sol could not be simpler to use. Unfold it, place it on the ground, and the bed is ready.
There is no pump sack, valve, inflation time, pressure adjustment, or concern about getting all the air out in the morning.
Packing is just as fast: fold the accordion panels together and strap the pad to the outside of the pack.
The only inconvenience is its large folded volume, but in pure setup efficiency the Z Lite Sol is essentially unbeatable.
Ease of Setup Score: 5.0 / 5.0
Should You Buy the Therm-a-Rest Z Lite Sol?
The Z Lite Sol is a strong choice for backpackers who value simplicity, toughness, low cost, and low weight more than plush sleep comfort.
It makes particular sense for thru-hikers, back and stomach sleepers who tolerate firm surfaces, hikers on a budget, and anyone who wants a dependable supplemental layer beneath an inflatable.
We would choose something else for side sleepers who need more cushioning, cold-weather trips where one pad must provide all the insulation, or backpackers who dislike bulky external carry.
If a no-fuss foam pad fits your sleeping style, the Z Lite Sol remains a proven option.
What Other Backpacking Sleeping Pads Should You Consider?
NEMO Switchback: The Switchback is the closest alternative and delivers nearly the same foam-pad experience. It is slightly thicker and a touch heavier, so the choice mostly comes down to price, availability, and which surface feel you prefer.
Gossamer Gear Thinlight: The Thinlight is much lighter and thinner. It is better as a minimalist sit pad, ground protector, or supplemental layer than as a comfortable standalone pad.
NEMO Tensor All-Season: The Tensor All-Season costs far more, but it is dramatically more comfortable, warmer, and more compact. It makes more sense for backpackers who prioritize sleep quality over foam-pad simplicity.
