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The Portwest FR401 Bizflame Plus Lightweight Stretch Panelled Trouser is designed to deliver advanced flame-resistant protection without compromising comfort or mobility. Constructed from a lightweight Bizflame Plus fabric blend (98% cotton, 2% elastane – 255g), it offers inherent FR protection combined with built-in stretch for improved freedom of movement during demanding tasks.
Certified to EN ISO 11612 (Heat & Flame), EN ISO 11611 (Welding Protection), and EN 1149 (Anti-Static), the FR401 ensures reliable multi-standard protection. Featuring a modern slim-fit design, reinforced panels, triple-stitched seams, and multiple storage options, this trouser combines safety with practicality. With knee pad pockets and ergonomic shaping, it’s ideal for welders, fabricators, utilities, and general industrial use.
Lightweight Bizflame Plus stretch fabric (255g) – FR cotton blend with elastane for comfort & flexibility
EN ISO 11612 certified – protection against heat & flame hazards
EN ISO 11611 certified – welding safety compliance
EN 1149 certified – anti-static protection
Slim-fit, modern design – improved comfort & style for professionals
Reinforced panels & triple-stitched seams – extra durability in high-stress areas
Knee pad pockets – compatible with standard knee pads for added safety
Multiple storage pockets – practical tool & accessory storage
Lightweight & breathable – designed for long shifts in industrial settings
Certified to EN ISO 11612, EN ISO 11611, EN 1149
Machine washable (check garment care instructions)
Suitable for welding, fabrication, utilities & heavy industry
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