Portest FR401 Bizflame Plus Lightweight Stretch Panelled Trousers

The Portest FR401 Bizflame Plus Lightweight Stretch Panelled Trousers are a flame-resistant work pant designed for professionals who need mobility, durability, and practical storage in demanding environments.

• Fabric & FR protection: Bizflame Work fabric (99% cotton, 1% carbon fibre) in a lightweight 210 g/m² weave delivers flame resistance while staying comfortable to wear all day.
• Heat & UV protection: Rated for radiant, convective and contact heat with a 40+ UPF fabric to help block 98% of UV rays on outdoor sites.
• Movement & comfort: Innovative stretch paneling in key movement areas plus a stretch crotch gusset maximize flexibility in bending, kneeling, and reaching.
• Knee protection system: Two-tier knee pad pockets provide two positioning options, so you can tailor cushioning to your task and stance.
• Storage & organization: Eight pockets, including multi-functional thigh pockets, secure cargo pockets, a rule pocket, and back pockets for tools, phones, and essentials.
• Adjustable fit: Adjustable leg length and hem allow you to customize length to accommodate different boots or flooring, reducing snagging.
• Safety & durability features: Non-magnetic, nickel- and ferrous-free construction with sewn-in flame-resistant industrial wash tape for lasting performance in harsh environments.
• Comfort waist & feel: Side elastic waist delivers a secure, comfortable fit during long shifts.
• Certification & compliance: CE certified with UKCA marking and CE-CAT III, ensuring adherence to essential safety standards for professional use.

These trousers are ideal for electricians, maintenance technicians, HVAC installers, fabricators, and outdoor workers who require robust flame resistance without sacrificing mobility. The combination of stretch panels, knee pad access, and practical storage reduces fatigue and keeps essential tools within easy reach. Compared with traditional FR work pants, the FR401 adds flexible movement in crucial joints and a tailored fit that stays comfortable throughout the workday. For best longevity, pair with the appropriate flame-resistant workwear care guidelines and industrial wash practices.