These lightweight flame resistant work trousers are made for men working where heat, flame or electrical hazards are part of the job. The fabric protects against radiant, convective and contact heat, and the trousers are suitable to be worn in an ATEX environment.
Seven pockets keep phones, pens and tools close to hand. A side elastic waist and concealed fly zip give a neat, practical finish for long shifts.
Key features
- Lightweight FR fabric helps keep you comfortable through a long working day
- Protection against radiant, convective and contact heat
- Suitable to be worn in an ATEX environment
- Easy access cargo pocket for tools and larger items
- Dedicated phone pocket and rule pocket keep essentials secure and organised
- Two back pockets add further storage, for 7 pockets in total
- Side elastic waist and concealed fly zip opening
- Premium sew-on flame resistant reflective tape helps you be seen in low light, and 40+ UPF rated fabric blocks 98% of UV rays
Materials and performance
Bizflame Work fabric: 99% Cotton, 1% Carbon Fibre, 210g.
Standards and protection
Certified to EN ISO 11612 (A1+A2, B1, C1, E2, F1), EN ISO 11611 Class 1 (A1+A2), EN 1149-5, EN 61482-2 and EN 61482-1-1 (ELIM 9 CAL/CM², ATPV 9.7 CAL/CM²), and EN 17353 Type B2. They are classed as CE-CAT III protective clothing.
Fit and sizing
Regular fit. See our Portwest Sizing Guide for detailed information.
Adjustable leg length
The leg length can be extended from 31″ to 33″, so you can adjust the trousers to suit your height and footwear.
Care
- Machine wash at 60°C
- Do not bleach
- Tumble dry at low temperature
- Iron at a medium temperature (max 150°C)
- Do not dry clean
Add your logo
If you’d like to add your logo to the Portwest FR412 Bizflame Work Lightweight FR Trousers, please contact us.



































