

Carhartt 107181 Work Trouser Flame Resistant RF Cargo
Flame resistant cargo work trousers with Rugged Flex™ and CORDURA® reinforcements - Carhartt
The Carhartt 107181 Work Trouser Flame Resistant Rugged Flex Cargo is the bigger brother of the 107180, developed for hardworking professionals who require additional storage within their flame resistant workwear. This model combines the iconic Carhartt look with certified FR protection and enhanced functional pockets. A unique addition to the Carhartt FR collection: the same stylish and recognizable design you are used to, now fully flame resistant. The relaxed fit with straight leg offers comfortable freedom of movement and sits below the waist for a natural working position. Thanks to Rugged Flex™ stretch technology, the fabric moves smoothly with you during bending, kneeling and lifting. The addition of a multifunctional cargo pocket with CORDURA®-reinforced edge makes this model ideal for professionals who want to carry tools safely and efficiently.
- Rugged Flex™: Stretch technology that provides enhanced freedom of movement during demanding tasks
- FR fabric: Flame Resistant material offering protection against heat, flame contact and thermal hazards
- Pockets: Two reinforced front slash pockets and spacious back pockets, plus a multifunctional cargo pocket with CORDURA®-reinforced edge and additional tool loops
- EN ISO 11612 (Heat & Flame): Certified protection against brief flame exposure and various forms of heat transfer such as convective and radiant heat
- EN ISO 11611 Class 1 (Welding): Suitable for welding and related processes, protecting against small molten metal splashes and brief flame contact
- IEC 61482-2 (Arc Flash Protection): Arc-rated protection against the thermal effects of an electric arc, essential for work on electrical installations
- EN 1149-5 (Antistatic): Protection against electrostatic discharge and spark formation in explosive environments
- Knee Protection: Flex CORDURA® kneepad pockets compliant with EN 14404:2024 including clean-out openings, compatible with Carhartt Interoperable Kneepad 107552 (Level 1)
- Reinforcements: Kick panels and reinforced lower leg panels for increased durability in high-wear areas
- Construction: Comfortflex waistband with large rear belt loop for improved belt positioning and ergonomically cut Flex CORDURA® crotch for added comfort
- Branding: Iconic Carhartt logo on the back pocket and embroidered ISO norm symbols on the cargo pocket for immediate safety recognition
Material
309 gsm FR Stretch Canvas, composed of 97% cotton, 2% elastane and 1% antistatic fibers.
Product Care
Care instructions: Refer to the care label for detailed washing instructions.
CORDURA®
CORDURA® is an extremely durable fiber developed for intensive professional use. It is known for its high resistance to tearing and abrasion and is applied in high-wear areas such as knees, pocket edges and lower legs to extend the lifespan of the garment. CORDURA® is a trademark of INVISTA Inc.
Product Specifications
- Color: Carhartt Brown BRN, Black N04
- Article number (SKU): 107181
- Sizes: W30 / L30 – W42 / L32
- Fit: Relaxed fit with straight leg
- Certification: EN ISO 13688, EN 1149-5, EN ISO 11612, EN ISO 11611 (A1, A2), IEC 61482-2, EN 14404:2024
Frequently asked questions about the Carhartt 107181
- Is this work trouser suitable for high-risk environments? Yes, this trouser is Flame Resistant and complies with multiple safety standards for heat, flame and electrical hazards.
- Can I use kneepads with this model? Yes, the kneepad pockets comply with EN 14404:2024 and are compatible with Carhartt 107552 kneepads for Level 1 protection.
Positive points
Certified FR protection
Extra cargo pocket for professional use
Rugged Flex™ for maximum mobility
CORDURA® reinforced wear panels
Designed for demanding industrial environments
Product description
Flame resistant cargo work trousers with Rugged Flex™ and CORDURA® reinforcements - Carhartt
The Carhartt 107181 Work Trouser Flame Resistant Rugged Flex Cargo is the bigger brother of the 107180, developed for hardworking professionals who require additional storage within their flame resistant workwear. This model combines the iconic Carhartt look with certified FR protection and enhanced functional pockets. A unique addition to the Carhartt FR collection: the same stylish and recognizable design you are used to, now fully flame resistant. The relaxed fit with straight leg offers comfortable freedom of movement and sits below the waist for a natural working position. Thanks to Rugged Flex™ stretch technology, the fabric moves smoothly with you during bending, kneeling and lifting. The addition of a multifunctional cargo pocket with CORDURA®-reinforced edge makes this model ideal for professionals who want to carry tools safely and efficiently.
- Rugged Flex™: Stretch technology that provides enhanced freedom of movement during demanding tasks
- FR fabric: Flame Resistant material offering protection against heat, flame contact and thermal hazards
- Pockets: Two reinforced front slash pockets and spacious back pockets, plus a multifunctional cargo pocket with CORDURA®-reinforced edge and additional tool loops
- EN ISO 11612 (Heat & Flame): Certified protection against brief flame exposure and various forms of heat transfer such as convective and radiant heat
- EN ISO 11611 Class 1 (Welding): Suitable for welding and related processes, protecting against small molten metal splashes and brief flame contact
- IEC 61482-2 (Arc Flash Protection): Arc-rated protection against the thermal effects of an electric arc, essential for work on electrical installations
- EN 1149-5 (Antistatic): Protection against electrostatic discharge and spark formation in explosive environments
- Knee Protection: Flex CORDURA® kneepad pockets compliant with EN 14404:2024 including clean-out openings, compatible with Carhartt Interoperable Kneepad 107552 (Level 1)
- Reinforcements: Kick panels and reinforced lower leg panels for increased durability in high-wear areas
- Construction: Comfortflex waistband with large rear belt loop for improved belt positioning and ergonomically cut Flex CORDURA® crotch for added comfort
- Branding: Iconic Carhartt logo on the back pocket and embroidered ISO norm symbols on the cargo pocket for immediate safety recognition
Material
309 gsm FR Stretch Canvas, composed of 97% cotton, 2% elastane and 1% antistatic fibers.
Product Care
Care instructions: Refer to the care label for detailed washing instructions.
CORDURA®
CORDURA® is an extremely durable fiber developed for intensive professional use. It is known for its high resistance to tearing and abrasion and is applied in high-wear areas such as knees, pocket edges and lower legs to extend the lifespan of the garment. CORDURA® is a trademark of INVISTA Inc.
Product Specifications
- Color: Carhartt Brown BRN, Black N04
- Article number (SKU): 107181
- Sizes: W30 / L30 – W42 / L32
- Fit: Relaxed fit with straight leg
- Certification: EN ISO 13688, EN 1149-5, EN ISO 11612, EN ISO 11611 (A1, A2), IEC 61482-2, EN 14404:2024
Frequently asked questions about the Carhartt 107181
- Is this work trouser suitable for high-risk environments? Yes, this trouser is Flame Resistant and complies with multiple safety standards for heat, flame and electrical hazards.
- Can I use kneepads with this model? Yes, the kneepad pockets comply with EN 14404:2024 and are compatible with Carhartt 107552 kneepads for Level 1 protection.
Fitting
- Sizes: W30 / L30 to W42 / L32
- Fit: Relaxed fit with straight leg in durable FR Stretch Canvas
Looking for the same certified protection in a more streamlined design?
Explore the version without extra tool pockets: View the Carhartt 107180 Work Trouser Flame Resistant Rugged Flex here

Short specifications
| SKU | 107181 |
|---|---|
| Category | Long work trouser |
| Professions | Construction, Electrician, Welder, Carpenter, Industry & Technology, Mechanic's Clothing, Mechanical, Metal Worker, Indoor Activities, Indoor/Outdoor Activities, Outdoor Activities |
| Collection | Flame retardant |
| Features | Antistatic, Flame retardant, Cordura, Comfort, Durable, Ergonomic, Knee reinforcement, Multinorm, Tear resistant, Abrasion resistant |
| Brand | Carhartt |
| Length size | Regular |
| Fitting | Regular fit |
| Standards | EN 1149-5, EN 14404, IEC 61482, EN ISO 11611, EN ISO 11612 |
| Material | Cotton, Elastane (Stretch) |
| Material thickness | Heavy - above 300 g/m2 |
| Pockets | Back pocket, Cordura reinforced, Thigh pocket, Hammer loop, Knee pockets, Belt loop, Side pockets |
| Closure | Button |
| Color | Brown |
| Sexe | Men |
| Land van fabricage | United States |













