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Carhartt Rugged Flex vs. Caterpillar Excavator LT Composite Toe Boot

Comparing two exceptionally durable safety boots – it's a tough call!

All of our content is editorially independent and based on real product testing. Learn More

Toe & Heel Reinforced

Carhartt Rugged Flex 6-Inch Comp Toe Work Boot

Editors Rating: 9.3 /10

  • People who prefer comfortable safety toe work boots with great value for money
  • Tough work environments with exposure to hazardous impact and compression
  • Settings that need high-traction work boots

Lower-profile option

Caterpillar Excavator LT Composite Toe Boot

Editors Rating: 8.6 /10

  • Challenging work environments that require tough, waterproof boots
  • Construction sites and other industrial settings
  • People who want deeply cushioned work boots with a snug fit
Author Luke Davis

If you’re on your feet most of the day, you’ll want footwear that won’t hurt your feet. Are you having a hard time finding comfy work boots? I tested quite a few safety work boots, and here are some of my observations on two of the most comfortable options: the Carhartt Rugged Flex 6-Inch Comp Toe Work Boot and Caterpillar Excavator LT Composite Toe Boot.

Do the Carhartt Rugged Flex 6-Inch Comp Toe Work Boot and Caterpillar Excavator LT Composite Toe Boot have the same style?

Just by looking at these work boots, you’ll know that they’re designed to protect the feet and last long. They both have tough-looking designs that I quickly discovered can easily take on challenging work environments. While they both have heavy-duty styles, the Carhartt Rugged Flex Boot has more of a sporty silhouette. In contrast, the Caterpillar Excavator Boot has an exceptionally industrial look that fits demanding conditions.

Winner: These safety work boots stand out with heavy-duty designs that look and perform remarkably well in challenging work settings.

Will these work boots protect the feet against falling objects?

These work boots both have safety caps integrated into their toe boxes. They both come with composite toe caps that form a shield over the toes. I’m confident that my toes are protected when wearing these safety work boots, especially in work conditions where there are risks of heavy objects – including construction materials and pieces of equipment – rolling or dropping on the feet. Since the safety toe caps are non-metallic, I can wear these work boots in areas with metal detectors without worrying about accidentally setting off the sensors. These toe caps also don’t push down into the toes, unlike steel toe caps, which can cause great discomfort.

Winner: These work boots both win in this category because they both have composite toe caps, which guard against impact and compression hazards in the workplace.

Can the Caterpillar Excavator LT Composite Toe Boot and Carhartt Rugged Flex 6-Inch Comp Toe Work Boot seal out wetness?

Only one of these work boots is ready to shield feet against uncomfortable wetness. The Caterpillar Excavator LT Composite Toe Boot uses waterproof full-grain leather to seal out liquids so the interior feels dry in wet surroundings. I can work around wet elements and enjoy comfortably dry feet because the Excavator doesn’t absorb wetness.

On the other hand, the Carhartt Rugged Flex 6-Inch Comp Toe Work Boot isn’t built with waterproof materials, so it’s unsuitable for wet conditions. The leather is thick enough not to absorb liquids instantly, but it won’t protect the feet from getting wet – especially in severely wet environments.

Winner: In this category, the Caterpillar Excavator LT Composite Toe Boot wins with its waterproof construction, protecting the feet against uncomfortable wetness in variable conditions.

How good is the cushioning for these work safety work boots?

With such heavy-duty designs, it’s surprising to discover just how comfortable these work boots are. The Carhartt Rugged Flex Boot has a PU insole that creates a generously cushioned base, cradling the foot in position while shielding against the hardness of the floors I walk on. Under this insole lies an EVA midsole offering another layer of padding. This layer also works to absorb the impact of walking on hard surfaces, protecting the foot from fatigue over long days. A roomy design combines superb cushioning to enhance foot comfort during the busiest workdays. I appreciate how the deeply cushioned collar holds the ankle in place and protects against mild impact. I’d also like to point out that the sole’s design contributes to the boot’s overall (exceptional) comfort, with a remarkably flexible structure that doesn’t get in the way of the foot’s comfortable motion.

Meanwhile, the Caterpillar Excavator Boot uses the exclusive EaseHD technology in its footbed to deliver outstanding cushioning and support. I like how the footbed also injects a bouncy feel, bringing energy back to every step. The ankle area is surrounded by special pods for cushioning against impact and stabilizing the ankle for better safety while navigating tricky surfaces. The boot also uses ERGO technology for sole flexibility, making walking easier without uncomfortable stiffness. The fully cushioned tongue and collar help maintain stability and, at the same time, protect against painful friction.

Winner: These composite toe work boots both win with exceptional cushioning to keep the feet comfortable all day.

Can the Carhartt Rugged Flex 6-Inch Comp Toe Work Boot and Caterpillar Excavator LT Composite Toe Boot prevent slipping on challenging ground conditions?

When it comes to traction, these work boots perform in different ways. I’m very impressed with the Carhartt Rugged Flex 6-Inch Comp Toe Work Boot’s sole design, starting from its outstanding level of traction. I can feel the outsole’s rugged treads strongly biting into the ground to stabilize my steps, making walking safe even on slippery and uneven surfaces. The sole is also flexible to help the foot move more naturally and is designed to shed off dirt and debris before these can build up over the day.

The Caterpillar Excavator LT Composite Toe Boot has an extremely rugged outsole design comprising multiple layers. This outsole design is reinforced against premature damage, but I soon discovered it doesn’t feel very grippy. Even with considerable treads, the outsole still didn’t deliver the outstanding level of traction that I experienced with the Carhartt Rugged Flex Boot.

Winner: The Carhartt Rugged Flex 6-Inch Comp Toe Work Boot excels with impressively strong traction and a flexible, debris-shedding design.

Are the Caterpillar Excavator LT Composite Toe Boots and Carhartt Rugged Flex 6-Inch Comp Toe Work Boots too heavy?

I assumed these work boots would feel heavy because of their heavy-duty designs. I’m glad to discover this isn’t true, as both work boots tip the scales at a medium-weight level. While I won’t consider them lightweight, these safety boots aren’t too heavy. They both feel quite hefty, which is to be expected given their robust leather uppers, thick outsoles, and the presence of composite toe caps.

Winner: Both safety boot options have medium weight levels – they’re not too heavy., but they definitely can’t be considered lightweight.

Do these comp toe work boots have breathable structures?

These work boots don’t heat up easily for different reasons. Carhartt’s Rugged Flex Boot uses the proprietary FastDry technology in the inner lining to encourage more air to come in and, at the same time, draw the sweat away from the skin. I like how the technology helps the feet feel cooler for much longer and prevents excessive sweating, especially when the boot is used in high-temperature conditions. On the other hand, the Caterpillar Excavator LT Boot’s spacious interior lets the air come in and circulate to prolong the cool, fresh foot feeling.

Winner: In this comparison, the Carhartt Rugged Flex Boot wins with a special moisture-wicking lining that keeps the feet dry and cool for much longer.

Will the Carhartt Rugged Flex 6-Inch Comp Toe Work Boot and Caterpillar Excavator LT Composite Toe Boot last long?

These work boots are designed to perform well for a long time in challenging work conditions. The Caterpillar Excavator LT Composite Toe Boot uses the patented SuperDutyXL iTechnology to create a remarkably durable structure that’s also flexible for better mobility. Upon inspecting the boot’s exterior, I noticed that the heel and toe areas are reinforced with TecTuff material that shields against abrasion. These reinforced areas help prolong the boot’s life, especially when the footwear is heavily used in extremely demanding settings.

The Carhartt Rugged Flex Boot is just as durable and ready for long-term use. The robust design showcases premium materials that offer superior strength and can take on more than normal wear and tear. The metallic hardware elements on the lace hooks and eyelets are sturdy enough to resist breakage while securing the laces in place. Heel and toe bumpers protect the boot against abrasion and damage caused by mild impact or friction.

Winner: The Carhartt Rugged Flex Boot and Caterpillar Excavator LT Boot are winners because of their remarkably robust heavy-duty designs and materials designed to last a long time.

Do these work boots offer electrical hazard protection?

Yes, these work boots offer electrical hazard protection. They’re designed to greatly reduce electrical shock risks in case of accidental contact with open circuits or electrically charged objects in the work area.

Winner: These safety work boots win with electrical hazard-safe designs, which can significantly lower the threat of an electrical shock in dry conditions.

Comparison table

Carhartt Rugged Flex 6-Inch Comp Toe Work BootCaterpillar Excavator LT Composite Toe Boot
Safety ToeYes (composite)Yes (composite)
StyleHeavy-duty/ruggedHeavy-duty/rugged
TractionExcellentGood
Breathability & Moisture ControlVery goodGood
CushioningExcellent Excellent
WeightMediumMedium
Water ResistanceNon-waterproofWaterproof
DurabilityVery goodVery good
Electrical Hazard ProtectionYesYes

Who’s the Overall Winner?

While both work boot options have premium structures built for heavy-duty use, the Carhartt Rugged Flex 6-Inch Comp Toe Work Boot excels with excellent traction, superior breathability, and moisture control. On the other hand, the Caterpillar Excavator LT Composite Toe Boot stands out with a waterproof design.

Recap

Go for the Carhartt Rugged Flex 6-Inch Comp Toe Work Boot for:

  • Slippery or unstable surface conditions
  • Hot or humid work environments
  • Job sites without a lot of exposure to wet elements


Choose the Caterpillar Excavator LT Composite Toe Boot if you:

  • Work in hazardous work settings
  • Spend a lot of time in wet work conditions
  • Need footwear with an electrical hazard-safe design

Conclusion

The boots we just reviewed are two of the best options for reliable safety work boots for heavy-duty use in demanding settings. I recommend the Carhartt Rugged Flex 6-inch Comp Toe Work Boot if you need to stabilize your footing in slippery or unstable ground conditions and hot or humid environments. On the other hand, the Caterpillar Excavator LT Composite Toe Boot, with its waterproof construction, is more suitable for wet conditions.

FAQ's

Will the Carhartt Rugged Flex 6-Inch Comp Toe Work Boot look good with casual clothes?
Yes, this boot has a sporty, somewhat relaxed vibe and heavy-duty strength. It’s less industrial-looking than the Caterpillar Excavator LT, so it doesn’t look out of place when paired with outfits for leisure or non-work use.
What’s the material used for reinforcing the Caterpillar Excavator LT Composite Toe Boot’s exterior?
The material is called TecTuff – an abrasion-resistant material that strengthens the boot’s resistance against premature damage. It also has a high resistance to oil, water, and certain chemicals to enhance the boot’s resilience in challenging settings.
Does the Carhartt Rugged Flex 6-Inch Comp Toe Work Boot’s outsole feel bulky?
No, it’s medium weight, even if it looks thick. It’s also flexible, so walking doesn’t feel awkward – something that happens when using work boots with rigid outsoles.
How does Ease technology work on the Caterpillar Excavator LT Composite Toe Boot?
The technology features ample cushioning using a special EVA foam material that’s durable but more lightweight than ordinary EVA. It also offers 30% more impact absorption than regular EVA and returns the energy to each step for better comfort and fatigue prevention.

Luke Davis

Luke is the lead author on WorkWear.org. He has a vast experience in construction engineering and project management in California and Texas, where he had the chance to put to test a wide range of safety boots and PPE. Outside work, Luke is an avid hiker and not surprisingly a DIY fanatic!