Portwest S781 Bizflame Rain Lined Hi-Vis FR Bib & Brace Work Trousers – Waterproof & Flame-Resistant PPE Workwear

Durable, High-Visibility Work Trousers for Wet, Cold, and Hazardous Environments

Designed for extreme weather and hazardous work conditions, the Portwest S781 Bizflame Rain Lined Hi-Vis Bib & Brace Trousers provide superior protection, comfort, and visibility. Part of Portwest’s Multi-Protection Range, these trousers are flame-resistant, waterproof, and anti-static, making them ideal for construction, utilities, industrial work, and outdoor trades where safety is paramount.

Constructed with Bizflame Rain HV fabric and a FR cotton lining, the S781 ensures warmth, breathability, and moisture management, keeping workers cool, dry, and comfortable throughout long shifts. Ergonomic braces, a raised back, and adjustable features deliver a secure, flexible fit, while reflective flame-resistant tape enhances visibility in low-light environments.

Available in high-visibility colours with Fast Nationwide Delivery.

Key Features

Flame-Resistant & Waterproof

• Flame-resistant treated fabric prevents water penetration

• FR cotton lining (170g) provides warmth and comfort

• Taped seams for extra protection

• Anti-static properties for safety in electrical and industrial environments

Ergonomic & Adjustable Fit

• Elasticated FR braces hold trousers in place during bending and stretching

• Fully elasticated waistband for comfort and flexibility

• Ergonomic quick-release buckle

• Adjustable straps for secure fit

• Raised back design adds extra warmth and protection

Practical Features

• Zipped ankle openings for easy fitting over work boots

• Premium sew-on flame-resistant reflective tape for enhanced visibility

• Breathable fabric draws moisture away from the body

Certified Safety

• CE-CAT III certified

• CE certified and UKCA marked for workplace safety compliance

Premium Fabric Construction

• Shell: 98% Polyester, 2% Carbon Fibre, Breathable PU Coated 250g

• Lining: 100% Cotton Flame-Resistant Lining 170g

Ideal For

• Construction & civil engineering

• Utilities, maintenance, and industrial work

• Outdoor trades in wet, cold, or hazardous conditions

• Jobs requiring high-visibility, flame-resistant, and waterproof PPE

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