Bizflame Work Insulated FR Bib Overall

Engineered for rugged environments and extreme flame protection, the Portwest Bizflame Work Insulated FR Bib Overall (FR422) delivers superior safety and comfort for industrial professionals. This high-performance bib overall is certified to NFPA® 2112, NFPA® 70E, ASTM F1506, and ASTM F1959/F1959M-23 with an impressive ATPV rating of 40 CAL/CM², offering reliable protection against arc flash hazards.

Constructed with Bizflame Work fabric—a durable blend of 99% cotton and 1% carbon fiber (10oz)—and insulated with a modacrylic/aramid blend, the FR422 is built for cold-weather job sites while ensuring protection against radiant, convective, and contact heat. The interior lining is made of 100% flame-retardant cotton (7.5oz), providing breathable, comfortable warmth throughout your workday.

Key design features include:

• Side zipper leg openings for quick and easy on/off

• Triple-stitched seams for unmatched durability

• Sew-on flame-resistant industrial wash tape for high visibility and compliance

• Concealed two-way front brass zipper for secure, functional wear

• Class 2 welding protection, making it ideal for heavy-duty tasks

Available in Navy and offered in sizes SM–5XL, the Portwest FR422 sets the standard for insulated FR workwear. Whether you're tackling high-risk electrical work or demanding industrial welding jobs, this bib overall has you covered—literally and safely.

Washcare:

Features:

• NFPA® 2112 
• NFPA® 70E 
• ASTM F1506 
• ASTM F1959/F1959M-23 ATPV 40 CAL/CM2
• Shell Fabric : Bizflame Work: 99% Cotton, 1% Carbon Fibre 10oz
• Lining Fabric : 100% Flame Retardant Cotton 7.5oz
• Filling Fabric : 90% Modacrylic, 10% Aramid 3oz
• Protection against radiant, convective and contact heat
• Side zipper leg opening for easy access
• Triple-stitched seams for extra durability
• Sew on flame resistant industrial wash tape
• Concealed two-way front brass zipper
• Class 2 welding protection