

Carhartt 107180 Work Trouser Flame Resistant Rugged Flex
Flame Resistant work trousers with Rugged Flex™ and CORDURA® reinforcements - Carhartt
The Carhartt 107180 Work Trouser Flame Resistant Rugged Flex is developed for professionals working in high-risk environments where heat, flames or electrical hazards are present. These work trousers combine certified FR protection with the comfort and freedom of movement you expect from Carhartt. Thanks to Rugged Flex™ stretch technology, the fabric moves with you during bending, kneeling and lifting. The relaxed fit with straight leg offers additional room at the seat and sits comfortably below the waist. Reinforced CORDURA® panels in high-wear areas enhance durability during intensive use. A reliable choice for professionals who want to combine safety, functionality and a modern look.
- Rugged Flex™: Stretch technology that provides enhanced freedom of movement during work
- FR (Flame Resistant) fabric: Flame resistant material certified according to EN ISO 11612 for protection against heat exposure and flame contact
- Antistatic (EN 1149-5): Certified according to EN 1149-5 to prevent electrostatic discharge and spark formation in hazardous environments
- EN ISO 11611 & IEC 61482-2 Protection: Certified according to EN ISO 11611 Class 1 for welding and related processes and IEC 61482-2 for electric arc (arc flash) protection, shielding against sparks, molten metal splashes and thermal effects of an arc
- Pockets: Two reinforced front slash pockets and multifunctional cargo pocket with CORDURA®-reinforced edge on the left leg, spacious back pockets
- Knee protection: Flex CORDURA® kneepad pockets with clean-out openings conforming to EN 14404-1:2022 dimensions and compatible with Carhartt Interoperable Kneepad 107552 for Level 1 protection
- Reinforcements: Kick panels and reinforced lower leg panels for increased durability
- Closure: Front button closure with Comfortflex waistband and large rear belt loop for improved belt fit
- Norm symbols: ISO standard symbols embroidered on the cargo pocket for clear identification
- Logo: Carhartt label on pocket
Material
309 gsm Stretch Canvas, composed of 97% cotton, 2% elastane and 1% antistatic fibres.
Product care
Care instructions: Refer to the care label for further washing instructions
CORDURA®
CORDURA® is an extremely durable fibre developed for intensive professional use. The material is known for its high resistance to tears and abrasion and is applied in high-wear areas such as knees and pocket edges to extend the garment’s lifespan. CORDURA® is a trademark of INVISTA Inc.
Product specifications
- Color: Carhartt Brown BRN, Black N04
- Item number (SKU): 107180
- Sizes: W30 / L30 – W42 / L32
- Fit: Relaxed fit with straight leg
- Certification: EN ISO 11612, IEC 61482-2, EN ISO 11611 Class 1, EN 14404-1:2022, 1149-5
Frequently asked questions about the Carhartt 107180
- Are these trousers suitable for environments with flame or spark hazards? Yes, the trousers are Flame Resistant and certified according to EN ISO 11612 and IEC 61482-2 standards.
- Can I use kneepads with this model? Yes, the kneepad pockets conform to EN 14404-1:2022 and are compatible with Carhartt 107552 kneepads for Level 1 protection.
Positive points
Certified Flame Resistant protection
Arc-rated according to IEC 61482-2
Rugged Flex™ for enhanced mobility
CORDURA® reinforced wear zones
Suitable for high-risk work environments
Product description
Flame Resistant work trousers with Rugged Flex™ and CORDURA® reinforcements - Carhartt
The Carhartt 107180 Work Trouser Flame Resistant Rugged Flex is developed for professionals working in high-risk environments where heat, flames or electrical hazards are present. These work trousers combine certified FR protection with the comfort and freedom of movement you expect from Carhartt. Thanks to Rugged Flex™ stretch technology, the fabric moves with you during bending, kneeling and lifting. The relaxed fit with straight leg offers additional room at the seat and sits comfortably below the waist. Reinforced CORDURA® panels in high-wear areas enhance durability during intensive use. A reliable choice for professionals who want to combine safety, functionality and a modern look.
- Rugged Flex™: Stretch technology that provides enhanced freedom of movement during work
- FR (Flame Resistant) fabric: Flame resistant material certified according to EN ISO 11612 for protection against heat exposure and flame contact
- Antistatic (EN 1149-5): Certified according to EN 1149-5 to prevent electrostatic discharge and spark formation in hazardous environments
- EN ISO 11611 & IEC 61482-2 Protection: Certified according to EN ISO 11611 Class 1 for welding and related processes and IEC 61482-2 for electric arc (arc flash) protection, shielding against sparks, molten metal splashes and thermal effects of an arc
- Pockets: Two reinforced front slash pockets and multifunctional cargo pocket with CORDURA®-reinforced edge on the left leg, spacious back pockets
- Knee protection: Flex CORDURA® kneepad pockets with clean-out openings conforming to EN 14404-1:2022 dimensions and compatible with Carhartt Interoperable Kneepad 107552 for Level 1 protection
- Reinforcements: Kick panels and reinforced lower leg panels for increased durability
- Closure: Front button closure with Comfortflex waistband and large rear belt loop for improved belt fit
- Norm symbols: ISO standard symbols embroidered on the cargo pocket for clear identification
- Logo: Carhartt label on pocket
Material
309 gsm Stretch Canvas, composed of 97% cotton, 2% elastane and 1% antistatic fibres.
Product care
Care instructions: Refer to the care label for further washing instructions
CORDURA®
CORDURA® is an extremely durable fibre developed for intensive professional use. The material is known for its high resistance to tears and abrasion and is applied in high-wear areas such as knees and pocket edges to extend the garment’s lifespan. CORDURA® is a trademark of INVISTA Inc.
Product specifications
- Color: Carhartt Brown BRN, Black N04
- Item number (SKU): 107180
- Sizes: W30 / L30 – W42 / L32
- Fit: Relaxed fit with straight leg
- Certification: EN ISO 11612, IEC 61482-2, EN ISO 11611 Class 1, EN 14404-1:2022, 1149-5
Frequently asked questions about the Carhartt 107180
- Are these trousers suitable for environments with flame or spark hazards? Yes, the trousers are Flame Resistant and certified according to EN ISO 11612 and IEC 61482-2 standards.
- Can I use kneepads with this model? Yes, the kneepad pockets conform to EN 14404-1:2022 and are compatible with Carhartt 107552 kneepads for Level 1 protection.
Fitting
- Fit: Relaxed fit with straight legs and comfortable freedom of movement
- Sizes: W30 / L30 to W42 / L32
Looking for the same certified FR protection with additional storage capacity?
Choose the cargo version with extra tool loops and storage pockets:
View the Carhartt 107181 Work Trouser Flame Resistant RF Cargo here

Short specifications
| SKU | 107180 |
|---|---|
| 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, Stretch |
| 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), Other Materials |
| Material thickness | Heavy - above 300 g/m2 |
| Pockets | Back pocket, Cordura reinforced, Thigh pocket, Knee pockets, Side pockets |
| Closure | Button |
| Color | Brown |
| Sexe | Men |
| Land van fabricage | United States |












