Durston Kakwa 40 vs ULA Circuit

99 facts in comparison

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

Based on 223 Reddit opinions. Close race—Kakwa 40Durston Kakwa 40 edges ahead.

223 opinions

Kakwa 40 leads by 5pts

Reddit's Pick

Kakwa 40

85%

A-

Based on

454 Redditors

Winner

Durston Kakwa 40

216 opinions

tldr; Durston does packs. Frameless UL, great design. Quality cottage.

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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.

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⚖️WEI

🔧DUR

📦PAC

⭐WEA

⭐VER

Points

100

Points

Score by Category

Weight

87%—

Durability

60%—

Packability

83%—

Weather Protection

60%—

Versatility

100%—

Why is ULA Circuit better than Durston Kakwa 40?

Ultralight capable
Carries load well
Thru-hike proven

Based on 466 Reddit opinions

Slight Edge

Reddit prefers the Kakwa 40Durston Kakwa 40

Winning by 5 points (85% vs 80%)

UL pack

Frameless

Quality build

High confidence (466 mentions)

💬Reddit Sentiment

Based on 466 Reddit mentions

Overall Rating

Kakwa 40

8.5/10

454 mentions

ULA Circuit

8.0/10

12 mentions

DURABILITY

Kakwa 406.0/10

ULA CircuitN/A

WEATHER PROTECTION

Kakwa 406.0/10

ULA CircuitN/A

VALUE

Kakwa 409.0/10

ULA CircuitN/A

WEIGHT

Kakwa 408.7/10

ULA CircuitN/A

PACKABILITY

Kakwa 408.3/10

ULA CircuitN/A

VERSATILITY

Kakwa 4010.0/10

ULA CircuitN/A

⚔️

Head to Head

Topic	Kakwa 40	ULA Circuit
Durability	60%	N/A
Weather Protection	60%	N/A
Value	90%	N/A
Weight	87%	N/A
Packability	83%	N/A
Versatility	100%	N/A
Organization	N/A	100%
Comfort	N/A	100%
Build Quality	N/A	100%

Category Wins

Kakwa 40: 6|ULA Circuit: 3

Head to Head

Kakwa 40: 6|ULA Circuit: 3

DurabilityKakwa 40

Kakwa 4060%

ULA CircuitN/A

Weather ProtectionKakwa 40

Kakwa 4060%

ULA CircuitN/A

ValueKakwa 40

Kakwa 4090%

ULA CircuitN/A

WeightKakwa 40

Kakwa 4087%

ULA CircuitN/A

PackabilityKakwa 40

Kakwa 4083%

ULA CircuitN/A

VersatilityKakwa 40

Kakwa 40100%

ULA CircuitN/A

OrganizationULA Circuit

Kakwa 40N/A

ULA Circuit100%

ComfortULA Circuit

Kakwa 40N/A

ULA Circuit100%

Build QualityULA Circuit

Kakwa 40N/A

ULA Circuit100%

Kakwa 40

85%

80%

ULA Circuit

Kakwa 4085%

ULA Circuit80%

Kakwa 40 wins by 5 points

Key Specs

Spec	Durston Kakwa 40	ULA Circuit
Capacity	40 liters internal (S: 33L, M: 36L, L: 39L internal; 15L external for all sizes)	68 Liters
Max Recommended Load	45 pounds	—
Frame Type	Hollow aluminum inverted U-shaped frame	—
Main Fabric	Ultra 200X or UltraGrid (UHMWPE fibers)	—
Torso Sizes	S, M, L (14.5 inch - 22 inch)	—

Key Highlights

Durston Kakwa 40Winner

🎒 UL pack

🔧 Frameless

💎 Quality build

👑 Cottage gear

ULA Circuit

🪶 Ultralight capable

⚖️ Carries load well

🥾 Thru-hike proven

🔧 More features

Topic Battles

Kakwa 40: 5|Tied: 0|ULA Circuit: 0

⚖️Weight

Kakwa 40 wins

Kakwa 40

87%

ULA Circuit

—

🔧Durability

Kakwa 40 wins

Kakwa 40

60%

ULA Circuit

—

📦Packability

Kakwa 40 wins

Kakwa 40

83%

ULA Circuit

—

⭐Weather Protection

Kakwa 40 wins

Kakwa 40

60%

ULA Circuit

—

⭐Versatility

Kakwa 40 wins

Kakwa 40

100%

ULA Circuit

—

Based on Reddit sentiment across 5 categories

📈Where They Rank

💬What Redditors Actually Say

What Redditors Say

Best praise vs top criticism for Durston Kakwa 40

Best Praise

+58 pts

“I got a Durston kakwa, trekking poles, xmid pro 2+, and a Durston logo tattooed on my forehead.”

r/Ultralight

View

Top Criticism

+9 pts

“My Mariposa is more comfortable than my Kakwa 40. Same gear load out and everything. Honestly has way too much space in it for me lol. They just recently updated their packs and I can't imagine how they can make it even more comfortable.”

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

Durston Kakwa 40

ULA Circuit

📈Historical Price Data

ULA Circuit

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

Which is Better?

Durston Kakwa 40 Wins

85%

80%

Circuit

Close race, but Durston Kakwa 40 edges ahead by 5 points based on 466 Reddit opinions.

Why Kakwa 40Winner

🎒 UL pack
🔧 Frameless
💎 Quality build
More discussed (454 vs 12)

Why ULA Circuit

🪶 Ultralight capable
⚖️ Carries load well

❤️The Love/Hate Breakdown

Sentiment Breakdown

41%Positive

Positive

41%

Neutral

53%

Negative

Based on 454 Reddit opinions

Sentiment Breakdown

58%Positive

Positive

58%

Neutral

42%

Negative

Based on 12 Reddit opinions

Specification Comparison

Spec	Durston Kakwa 40	ULA Circuit
Capacity	40 liters internal (S: 33L, M: 36L, L: 39L internal; 15L external for all sizes)	68 Liters
Max Recommended Load	45 pounds	—
Frame Type	Hollow aluminum inverted U-shaped frame	—
Main Fabric	Ultra 200X or UltraGrid (UHMWPE fibers)	—
Torso Sizes	S, M, L (14.5 inch - 22 inch)	—
Hipbelt Circumference	28 inch - 42 inch	—
Brand	Durston Gear	EISCO
Manufacturer	Durston Gear	Eisco
Color	Dark Grey/Black	Various
Weight	28 ounces (795 gram) for Medium / Ultra 200X	0.6 Pounds
Height	31 to 35 inches unrolled height	3.0 inches
Max Load	—	35 lbs (15.8 kg)
Material	—	400D Robic nylon
Frame System	—	Carbon fiber and Delrin suspension hoop, aluminum stay
Torso Length Range	—	12 inch - 24 inch

Feature Checklist

Kakwa 40: 5|ULA Circuit: 3

Feature	Kakwa 40	ULA Circuit
Quality build
Durable Ultra 200X or UltraGrid fabrics
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!
EXPLORE A VARIETY OF CIRCUIT CONFIGURATIONS \|\| Learners will be able to build a variety of circuit configurations, including basic, series & parallel circuits. The end goal is to successfully create a current path that lights up the miniature light bulb
13 PIECE KIT \|\| Kit is comprised of 13 components - two D-cell batteries, 120" of insulated wire, knife switch, two bulb holders, two battery holders and five miniature light bulbs. *Required but not included: Wire Cutter & Stripper, and Multimeter or Voltmeter & Ammeter (used for measuring current behaviors)
UL pack
Frameless
Cottage gear

Features extracted from Reddit highlights and enrichment data

⚔️Head to Head

Metric	Durston Kakwa 40	ULA Circuit
Reddit Score	85%	80%
Mentions	454	12
Sentiment	+ 187- 29	+ 7- 0

Where to Buy

Durston Kakwa 40

Price unavailableCheck prices

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.

Durston Kakwa 40Check prices ULA CircuitCheck prices

Frequently Asked Questions

Which is better, Durston Kakwa 40 or ULA Circuit?

Based on 466 Reddit comments, Durston Kakwa 40 has a slight edge with 85% positive sentiment vs ULA Circuit's 80%. The difference is small, so both are solid choices.

Should I buy Durston Kakwa 40 or ULA Circuit?

Both have similar approval ratings (85% vs 80%), so focus on specific features, pricing, and what matters most to you.

What do Redditors love about Durston Kakwa 40?

Reddit users highlight: UL pack. Frameless. Quality build. With 454 mentions and 85% 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 466 Reddit comments: 454 about Durston Kakwa 40 and 12 about ULA Circuit. Data was sourced from Backpacking 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.

223 Reddit opinions analyzed · Last updated 7/21/2026

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