Therm-a-Rest Z Lite Sol vs ULA Circuit

99 facts in comparison

These products are from different categories (Camping Gear vs Backpacks), so direct comparison may not be meaningful.

Based on 180 Reddit opinions. Close race—Lite SolTherm-a-Rest Z Lite Sol edges ahead.

180 opinions

Lite Sol leads by 3pts

Reddit's Pick

83%

B+

Based on

376 Redditors

Winner

Therm-a-Rest Z Lite Sol

~$49.95

173 opinions

tldr; Closed cell foam classic. Indestructible. Backup pad, sitpad, ground protection.

Check prices

ULA Circuit

80%

B+

Based on

12 Redditors

ULA Circuit

Limited Data

~$19.69

7 opinions

tldr; Ultralight that carries weight. More features than most UL packs. Best of both worlds.

Check prices

🔧DUR

⚡EAS

📦POR

❤️COM

Points

100

Points

Score by Category

Durability

76%—

Ease of Use

88%—

Portability

49%—

Comfort

79%100%

Why is ULA Circuit better than Z Lite Sol?

Better comfort (100% vs 79%)
Ultralight capable
Carries load well
Thru-hike proven

Based on 388 Reddit opinions

Too Close to Call

Reddit prefers the Lite SolTherm-a-Rest Z Lite Sol

Winning by 3 points (83% vs 80%)

CCF foam pad

Indestructible

14oz

High confidence (388 mentions)

💬Reddit Sentiment

Based on 388 Reddit mentions

Overall Rating

Lite Sol

8.3/10

376 mentions

ULA Circuit

8.0/10

12 mentions

VALUE

Lite Sol8.7/10

ULA CircuitN/A

DURABILITY

Lite Sol7.6/10

ULA CircuitN/A

COMFORT

Lite Sol7.9/10

ULA Circuit10.0/10

PORTABILITY

Lite Sol4.9/10

ULA CircuitN/A

EASE OF USE

Lite Sol8.8/10

ULA CircuitN/A

ORGANIZATION

Lite SolN/A

ULA Circuit10.0/10

⚔️

Head to Head

Topic	Lite Sol	ULA Circuit
Value	87%	N/A
Durability	76%	N/A
Comfort	79%	100%
Portability	49%	N/A
Ease Of Use	88%	N/A
Organization	N/A	100%
Build Quality	N/A	100%

Category Wins

Lite Sol: 4|ULA Circuit: 3

Head to Head

Lite Sol: 4|ULA Circuit: 3

ValueLite Sol

Lite Sol87%

ULA CircuitN/A

DurabilityLite Sol

Lite Sol76%

ULA CircuitN/A

ComfortULA Circuit

Lite Sol79%

ULA Circuit100%

PortabilityLite Sol

Lite Sol49%

ULA CircuitN/A

Ease Of UseLite Sol

Lite Sol88%

ULA CircuitN/A

OrganizationULA Circuit

Lite SolN/A

ULA Circuit100%

Build QualityULA Circuit

Lite SolN/A

ULA Circuit100%

Lite Sol

83%

80%

ULA Circuit

Lite Sol83%

ULA Circuit80%

Close race - Lite Sol edges ahead by 3 points

Key Specs

Spec	Therm-a-Rest Z Lite Sol	ULA Circuit
R Value	2.0	—
Construction	Closed-cell foam pad, accordion-fold design	—
Material	Crosslinked polyethylene molded closed cell foam	400D Robic nylon
Surface	ThermaCapture reflective surface	—
Packed Size	20 x 5 x 5.5 inches (51 x 13 x 14 cm)	—

Key Highlights

Therm-a-Rest Z Lite SolWinner

🛏️ CCF foam pad

💪 Indestructible

⚖️ 14oz

❄️ R-value 2.0

💰 Under $50

ULA Circuit

🪶 Ultralight capable

⚖️ Carries load well

🥾 Thru-hike proven

🔧 More features

Topic Battles

Lite Sol: 3|Tied: 0|ULA Circuit: 1

🔧Durability

Lite Sol wins

Lite Sol

76%

ULA Circuit

—

⚡Ease of Use

Lite Sol wins

Lite Sol

88%

ULA Circuit

—

📦Portability

Lite Sol wins

Lite Sol

49%

ULA Circuit

—

❤️Comfort

ULA Circuit wins

Lite Sol

79%

ULA Circuit

100%

Based on Reddit sentiment across 4 categories

📈Where They Rank

💬What Redditors Actually Say

What Redditors Say

Best praise vs top criticism for Therm-a-Rest Z Lite Sol

Best Praise

+33 pts

“The sleeping pad you seek is a used Therm-a-Rest Z Lite. It's good to just above freezing temperatures, findable for $20, 10oz before you cut it to size. It's not fun and it's big but warmth per weight and weight per dollar are unbeatable.”

r/Ultralight

View

Top Criticism

+8 pts

“The ridgerest is really bulky, probably better to do the Z lite purely for that reason”

r/Ultralight

View

3 more quotes available below

What Redditors Say

Best praise vs top criticism for ULA Circuit

Best Praise

+2 pts

“My most recommended brands are none of those mentioned. ULA, Matador, and Goruck.”

r/Backpacks

View

No negative quotes found

1 more quotes available below

Sentiment Over Time

Lite Sol

ULA Circuit

📈Historical Price Data

Therm-a-Rest Z Lite Sol

ULA Circuit

Therm-a-Rest Z Lite Sol

All-time low: $25.99(2020-03)

ULA Circuit

All-time low: $5.52(2016-02)

Which is Better?

Therm-a-Rest Z Lite Sol Wins

83%

Sol

80%

Circuit

Close race, but Therm-a-Rest Z Lite Sol edges ahead by 3 points based on 388 Reddit opinions.

Why Lite SolWinner

🛏️ CCF foam pad
💪 Indestructible
⚖️ 14oz
More discussed (376 vs 12)

Why ULA Circuit

🪶 Ultralight capable
⚖️ Carries load well

❤️The Love/Hate Breakdown

Sentiment Breakdown

39%Positive

Positive

39%

Neutral

54%

Negative

Based on 376 Reddit opinions

Sentiment Breakdown

58%Positive

Positive

58%

Neutral

42%

Negative

Based on 12 Reddit opinions

Specification Comparison

Spec	Therm-a-Rest Z Lite Sol	ULA Circuit
R Value	2.0	—
Construction	Closed-cell foam pad, accordion-fold design	—
Material	Crosslinked polyethylene molded closed cell foam	400D Robic nylon
Surface	ThermaCapture reflective surface	—
Packed Size	20 x 5 x 5.5 inches (51 x 13 x 14 cm)	—
Brand	Therm-a-Rest	EISCO
Manufacturer	Therm-A-Rest	Eisco
Color	Limon/Silver	Various
Weight	0.9038952742 pounds	0.6 Pounds
Height	0.75 Inches	3.0 inches
Capacity	—	68 Liters
Max Load	—	35 lbs (15.8 kg)
Frame System	—	Carbon fiber and Delrin suspension hoop, aluminum stay
Torso Length Range	—	12 inch - 24 inch

Feature Checklist

Lite Sol: 6|ULA Circuit: 2

Feature	Lite Sol	ULA Circuit
HANDS ON LEARNING \|\| This hands on learning kit is perfect for introducing students to the basics of electricity. This engaging exercise allows them to explore and understand which configurations result in a successful or unsuccessful current path- all while having fun building their kits!
CCF foam pad
Lightweight and compact closed-cell foam camping mattress is a durable, dependable, and economical option for sleeping on the ground
Trusted by mountaineers and backpackers for generations, the classic pad features folding accordion-style construction that is compact and easily packable
Sleeping pad foam is softer on the top for comfort, and denser on the bottom for extra insulation, durability, and protection from the ground
Indestructible
Molded foam mattress measures 72 x 20 inches (20 x 5 x 5.5 inches folded) and weighs 14 ounces; manufacturer’s limited lifetime warranty; made in the USA
Ultralight capable

Features extracted from Reddit highlights and enrichment data

⚔️Head to Head

Metric	Therm-a-Rest Z Lite Sol	ULA Circuit
Reddit Score	83%	80%
Mentions	376	12
Sentiment	+ 145- 28	+ 7- 0

Where to Buy

Therm-a-Rest Z Lite Sol

Price unavailableCheck prices

All-time low was $25.99 on 2020-03

~400 sold/month on Amazon

ULA Circuit

Price unavailableCheck prices

All-time low was $5.52 on 2016-02

~100 sold/month on Amazon

Prices may vary. We may earn a commission from purchases made through these links.

Therm-a-Rest Z Lite SolCheck prices ULA CircuitCheck prices

Frequently Asked Questions

Which is better, Therm-a-Rest Z Lite Sol or ULA Circuit?

Based on 388 Reddit comments, Therm-a-Rest Z Lite Sol has a slight edge with 83% positive sentiment vs ULA Circuit's 80%. The difference is small, so both are solid choices.

Should I buy Therm-a-Rest Z Lite Sol or ULA Circuit?

Both have similar approval ratings (83% vs 80%), so focus on specific features, pricing, and what matters most to you.

What do Redditors love about Therm-a-Rest Z Lite Sol?

Reddit users highlight: CCF foam pad. Indestructible. 14oz. With 376 mentions and 83% approval, it's a well-regarded choice in the community.

What do Redditors say about ULA Circuit?

Reddit users highlight: Ultralight capable. Carries load well. Thru-hike proven. With 12 mentions and 80% approval, it remains a popular alternative.

How many Reddit reviews were analyzed?

This comparison analyzed 388 Reddit comments: 376 about Therm-a-Rest Z Lite Sol and 12 about ULA Circuit. Data was sourced from Camping Gear community discussions.

How accurate are these ratings?

Our sentiment analysis is approximately 80-85% accurate compared to manual review. Well-discussed products with many mentions tend to have more reliable scores than niche items with fewer data points.

Why trust Reddit over professional reviews?

Reddit users bought products with their own money and have no incentive to mislead. You're seeing hundreds of real opinions across different use cases, not just one reviewer's take. This crowdsourced approach surfaces both common praise and recurring complaints.

180 Reddit opinions analyzed · Last updated 5/26/2026

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