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Therm-a-Rest Z Lite SOL Review
Looking for a durable, lightweight, and hassle-free sleeping pad? In this Therm-a-Rest Z Lite SOL review, we break down why this closed-cell foam pad remains a go-to choice for ultralight backpackers, thru-hikers, and minimalist adventurers.
The Therm-a-Rest Z Lite SOL is a classic accordion-style closed-cell foam sleeping pad. Known for its unbeatable durability and zero risk of punctures, this pad weighs only 14 oz (regular) and features a compact, foldable design. The aluminized surface reflects heat back to your body, boosting overall warmth and giving it an R-value of 2.0. It’s not the thickest or plushest pad out there, but it shines in reliability and ease of use.
The Z Lite SOL’s egg-crate pattern improves both comfort and insulation, and it doubles as a sit pad during breaks. It’s a favorite for ultralight setups, winter layering under inflatable pads, or as a reliable emergency backup.
Key Specifications
| Weight | 14 oz (regular) |
| R-Value | 2.0 |
| Thickness | 0.75 inches |
| Packed Size | 20 x 5 x 5.5 inches |
| Material | Crosslinked polyethylene foam with aluminized coating |
| Sizes Available | Small, Regular |
Comparisons
Therm-a-Rest Z Lite SOL vs. Nemo Switchback
The Nemo Switchback is another closed-cell foam pad designed for simplicity and ultralight travel. It offers slightly thicker padding at 0.9 inches and an R-value of 2.1, giving it a minor edge in warmth and comfort. The Therm-a-Rest Z Lite SOL, however, is a touch lighter and often more affordable. Both pads fold accordion-style for convenience, and the choice largely comes down to your preference for padding, warmth, and price point.
Therm-a-Rest Z Lite SOL vs. Therm-a-Rest NeoAir XTherm NXT
The Therm-a-Rest NeoAir XTherm NXT is a high-performance inflatable pad made for alpine and winter use, boasting an R-value of 7.3 and 3 inches of loft. In contrast, the Therm-a-Rest Z Lite SOL is non-inflatable, much thinner, and far less warm—but it’s also more durable and affordable. While the NeoAir XTherm NXT is ideal for deep cold, the Z Lite SOL is perfect for minimalist summer setups or for use as a supplemental base layer in winter.
Pros & Cons Summary
| Feature | Z Lite SOL | Nemo Switchback | NeoAir XTherm NXT |
|---|---|---|---|
| Weight | ✅ Ultralight (14 oz) | ✅ Light (14.5 oz) | ✅ Ultralight (15 oz) |
| R-Value | ❌ Low (2.0) | ❌ Slightly better (2.1) | ✅ Excellent (7.3) |
| Comfort | ❌ Firm foam only (0.75 in) | ❌ Slightly thicker foam (0.9 in) | ✅ Plush inflatable (3 in) |
| Packed Size | ✅ Simple accordion fold | ✅ Slightly more compact | ❌ Needs inflation + deflation |
| Durability | ✅ Bombproof design | ✅ Very durable | ✅ Durable but can puncture |
| Best For | Minimalist 3-season use, layering | Budget ultralight setups | Cold-weather alpine adventures |
Looking for a different sleeping pad for your trip? View our Best Sleeping Pads guide for more options.
Frequently Asked Questions
Can I use the Z Lite SOL year-round?
It works well for 3-season use and is commonly paired with another pad in winter for extra insulation.
Is it comfortable enough for side sleepers?
Not especially. It’s best suited for back sleepers or those okay with firmer sleeping surfaces.
How do I clean the Z Lite SOL?
Just wipe it down with a damp cloth and mild soap. It’s waterproof and easy to clean.
Can it be trimmed to size?
Yes, you can cut it with scissors or a knife to reduce weight or make a custom size.
Is it TSA-friendly?
Yes, it’s just foam—no problem carrying it on flights or checking it in.
Final Thoughts
The Therm-a-Rest Z Lite SOL remains a tried-and-true option for minimalist and ultralight backpackers. It’s not luxurious, but it’s nearly indestructible, fast to deploy, and adds valuable versatility to any sleep system. Whether used on its own, layered under an air pad, or carried as a reliable backup, it delivers solid performance at a budget price.
