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Therm-A-Rest Z Lite Sol Review

Best Buy Award

Men's Sleeping Pads

  • Currently 4.0/5
Overall avg rating 4.0 of 5 based on 2 reviews. Most recent review: March 23, 2015
Street Price:   Varies from $35 - $45 | Compare prices at 6 resellers
Pros:  Lightweight, compact, warmer than original Z-Lite
Cons:  Dimples collect dirt, foam compresses over time and becomes less comfortable and less warm.
Best Uses:  Budget backpacking, alpine climbing, mountaineering.
User Rating:     
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 (4.0 of 5) based on 1 reviews
Manufacturer:   Cascade Designs
Review by: Chris McNamara ⋅ Founder and Editor-in-Chief, OutdoorGearLab ⋅ March 23, 2015  
The Therm-a-Rest Z Lite Sol is the most versatile lightweight closed-cell sleeping pad we've tested. The pad works in just about any camping situation, whether on a big wall in Yosemite, alpine climbing, mountaineering, backpacking, or car camping. This is also the most compact closed-cell foam pad we've tested and the main thing that distinguishes it. An aluminized reflective layer makes it roughly 20% warmer than the traditional Therm-A-Rest Z Lite. This added warmth is well worth the extra $5. Unfortunately, the pad isn't the most comfortable or the most durable. For a slightly more durable and more comfortable, but also much bulkier foam pad get the Therm-a-Rest Ridge Rest SOLite.

If inflatable foam pads are your style, go for the Therm-A-Rest ProLite - Men's ($60 more), our top rated pad in this category. Or, for the best portable sleeping pad on the market get the Therm-a-Rest NeoAir Xtherm. Weighing just one ounce more than the Z-Lite, the XTherm is many times warmer and more comfortable; it's an excellent winter pad. If you mainly stick to summer backpacking get the 12 oz and ultra packable Therm-a-Rest NeoAir XLite - Men's or Therm-a-Rest NeoAir XLite Women's.

Compare top rated competitors side-by-side >

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OutdoorGearLab Editors' Hands-on Review


The Z-Lite SOL adds an aluminized reflective layer to the standard Z-Lite. As a result, the pad is roughly 20% warmer than its traditional counterpart.
The Therm-a-Rest Z Lite is much smaller and more portable than all other closed-cell foam pads we've tested. Instead of rolling up like the Ridge Rest series, it folds (accordion style) into a rectangular package. The Z-Lite packs about 40% smaller than the RidgeRest SOLite. It weighs a mere 14 ounces, which makes it light enough for all types of adventures. The Z-Lite remains a favorite of novice backpackers and high-level alpinists alike. It's a great choice for everything from occasional use backpacking to light and fast alpine climbs.

The Z-Lite has fourteen collapsible sections. This author cuts a standard size pad into two smaller sections: 8/14th is used for alpine climbing and the other 6/14 section comes along when weight and space is less of a concern. The smaller section also works well as a half pad for longer mountaineering trips: you can sit, kneel, or stand on it (good for cooking) and put it under your primary pad for extra insulation at night. Punch two holes in each section and fasten them with paracord for a full-length pad.

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Brad Miller poses on the Therm-aRest NeoAir XTherm and ZLite Sol while wearing Patagonia's Super Pluma and R1 Hoody. Alaska.
Credit: Clayton Kimmi


The Z-Lite's foam is a bit thinner and less durable than those of the Ridge Rest Series, which makes it less durable in the long-term. The eggshell style bumps and dimples collect dirt and are not the most comfortable for putting your face directly on. Like all closed-cell foam pads, the Z-Lite's size will likely require you to strap it to the outside of your pack. Despite these drawbacks, the Z-Lite remains an excellent lightweight closed-cell pad that you can use for just about anything. Get it if packed size is more important than durability. If absolute durability is your objective consider the Therm-a-Rest Ridge Rest SOLite.

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L to R: NeoAir AllSeason (19 oz.), Xtherm (15 oz.), XLite (12 oz.) XLite Women's (11 oz.), and Zlite Sol (14 oz.). The AllSeason and XTherm have a more durable bottom material and the AllSeason is square, not tapered, and thus rolls up more evenly.
Credit: Max Neale
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Them-a-Rest Z Lite Sol surface. After extensive use the bumps compress and the pad becomes less comfortable.
Credit: OutdoorGearLab

Best Application

This pad works just about anywhere as long as you are not concerned with its size. It works for big wall climbing, backpacking, car camping, light and fast alpine climbing, canoe camping, you name it.


We believe this pad is an excellent value. Our testers use it all the time for a wide variety of applications. When it wears out we replace it with a new one.

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Hanging out on the side of Denali (Alaska) in the Hilleberg Nammatj with Therm-a-Rest's NeoAir XTherm, ZLite Sol, and Compack Chair. Feathered Friends Peregrine and Mountain Hardwear Ghost sleeping bags.
Credit: Clayton Kimmi

Other Versions

Therm-a-Rest Ridge Rest SOLite
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  • Cost - $40 ($5 less than Z Lite Sol)
  • Weight - 14oz (Same as Z Lite Sol)
  • Packed size - 16.5 liters (7.5 liters more than Z Lite Sol)
  • R-Value - 2.8
  • Updated version of the ultra classic Ridge Rest

Therm-a-Rest NeoAir XLite
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  • Cost - $130 ($85 more than Z Lite Sol)
  • Weight - 12oz (2oz less than Z Lite Sol)
  • Packed volume - 1 liter (8 litres less than Z Lite Sol)
  • R-Value - 3.2
  • Wins our Top Pick Award

Therm-a-Rest NeoAir Xtherm
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  • Cost - $160 ($115 more than Z Lite Sol)
  • Weight - 15oz (1oz more than Z Lite Sol)
  • Packed size - 1.4 liters (7.6 liters less than Z Lite Sol)
  • R-Value - 5.7
  • Editor's Choice Award


Therm-a-Rest NeoAir Pump Sack
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  • Cost - $30
  • Weight - 3.8 oz
  • Doubles as a camp stool, stuff sack, or backpack liner

NeoAir Pillow
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  • Cost - $35
  • Weight - 1.0oz

Down Pillow
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  • Cost $40
  • Weight - 5.6oz
  • 650-fill goose down

Therm-a-Rest Compack Chair
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  • Cost - $50
  • Weight - 6oz
  • Turns almost any pad into a comfortable camp chair with back support

Chris McNamara and Max Neale

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OutdoorGearLab Member Reviews

Most recent review: March 23, 2015
Summary of All Ratings

OutdoorGearLab Editors' Rating:   
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Average Customer Rating:   
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100% of 1 reviewers recommend it
Rating Distribution
2 Total Ratings
5 star: 0%  (0)
4 star: 100%  (2)
3 star: 0%  (0)
2 star: 0%  (0)
1 star: 0%  (0)
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   Jan 29, 2014 - 08:26am
Supertramp · Backpacker · Sarasota
I've been using the short version for a few years. This has been my go to pad for ultralight backpacking. I really love this pad and it has served me very well. It's quite warm for what his is. Nothing like the 4 season pads or anything but for me, I was surprised by the warmth it gave me compared to my generic foam pad. The packability and reliability of this pad is partially what made this my go-to pad. Very easy to pack and strap onto your pack. Just fold it up and go. Did I mention that it's cheap? It's very affordable which gives it MY best buy award. It cost about $35.
The cons of this pad would have to be bulk. Like with any foam pad, you can only pack it so small. When purchasing a foam pad, I think it's obvious for the consumer that it's not very compact. I've seen this pad used by thru-hikers on the AT and PCT so it's definitely trail worthy. So if you're just starting out or just need a pad but don't have the $100+ to spend on a pad, check this out.

Bottom Line: Yes, I would recommend this product to a friend.
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The top of the Zlite Sol is silver.
Credit: Therm-a-Rest
Where's the Best Price?
Seller Price
Backcountry $34.95  -  22% off!
MooseJaw $34.95  -  22% off!
Bent Gate Mountaineering $34.95  -  22% off!
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