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Portwest | SKU:
262470
Portwest S781 Waterproof Bizflame Rain Hi-Vis FR Trousers
£56.67
Ex. VAT
£68.00
Inc. VAT
Why buy from us
- Pay in 30 days with a Trade Account. No fees.
- Trade and bulk pricing available on request
- UK stock, dispatched fast
Portwest S781 Waterproof Bizflame Rain Hi-Vis FR Trousers - Yellow / S is backordered and will ship as soon as it is back in stock.
Ships in
1 – 2 working days
Quote in 3 hours
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- Made in the UK
- Pay in 30 days with Klarna. No fee. Learn more
- Next Day Delivery Available
Waterproof
Breathable
Anti Static
Flame Retardant
Provides Warmth
Reflective
Stretch
EN 1149
EN 343
EN ISO 14116
EN ISO 20471
Portwest S781 Waterproof Bizflame Rain Hi-Vis FR Trousers
Regular price
£68.00
Unit price
Unavailable
Portwest S781 Waterproof Bizflame Rain Hi-Vis FR Trousers - Yellow / S is backordered and will ship as soon as it is back in stock.
Why it works
Built for wet, cold and hazardous sites
20,000mm waterproof rating
EN 343 Class 3 fabric keeps the wearer dry in sustained rain.
FR treated, not just coated
The flame-resistant treatment is in the fabric, tested to EN ISO 14116 Index 3 for limited flame spread.
EN ISO 20471 Class 1 visibility
Sewn FR reflective tape keeps the wearer visible in low light.
Quick-release FR braces
Elasticated braces with a quick-release buckle keep the trousers secure and quick to remove.
RIS-3279-TOM rail compliant
Meets the rail industry hi-vis standard for trackside and rail environments.
Overview
Portwest S781 Waterproof Bizflame Rain Hi-Vis FR Trousers - Overview
A flame-resistant waterproof over-trouser from Portwest's Bizflame Rain HV range, built for wet-weather work where FR protection can't be compromised. The treated fabric carries a 20,000mm waterproof rating and an FR cotton lining adds warmth in cold conditions.
20000mm
Waterproof rating
3Class
EN 343 waterproof class
1Class
EN ISO 20471 hi-vis class
6sizes
S to XXXL
| Dimensions | |
|---|---|
| Sizes available | S to XXXL |
| Colourways | Yellow, Orange |
| Fit | Unisex, fully elasticated waist with FR braces |
| Details | |
|---|---|
| Waterproof rating | EN 343 Class 3 (water resistance 20,000mm) |
| Flame resistance | EN ISO 14116 Index 3 (limited flame spread) |
| Hi-vis certification | EN ISO 20471 Class 1 |
| Chemical splash | EN 13034 (limited protection) |
| Anti-static | EN 1149 |
| Rail compliance | RIS-3279-TOM |
| Thermal rating | Medium insulation (cold conditions) |
| Customisation | Embroidery and logo printing available |
Frequently asked questions
Is the S781 genuinely flame resistant, or just the outer shell?
Is the S781 genuinely flame resistant, or just the outer shell?
The FR treatment is applied to the fabric itself, not a surface coating, so it retains its flame-resistant properties throughout the garment's life. It's tested to EN ISO 14116 Index 3 for limited flame spread.
Will these keep me dry in heavy rain?
Will these keep me dry in heavy rain?
Yes. The fabric is tested to EN 343 Class 3, the top waterproof class in that standard, with a 20,000mm water resistance rating.
Are these suitable for rail or trackside work?
Are these suitable for rail or trackside work?
Yes. They meet RIS-3279-TOM, the rail industry standard for hi-vis workwear, alongside EN ISO 20471 Class 1 for general hi-vis use.
What sizes and colours are available?
What sizes and colours are available?
S to XXXL, in Yellow or Orange.
Do they provide any warmth for cold-weather work?
Do they provide any warmth for cold-weather work?
Yes, the FR cotton lining gives medium insulation, suited to cold conditions rather than deep winter extremes.
Can I get these branded with my company logo?
Can I get these branded with my company logo?
Yes, embroidery and logo printing are both available - ask when ordering.
Are they anti-static?
Are they anti-static?
Yes, the fabric meets EN 1149 for anti-static protection, useful on sites where static discharge is a hazard.
