Chemical, Flame, Hivis | 18% Cotton

Portwest FR426 PW3 FR Modaflame Rain+ Hi-Vis Lined Winter Trousers – Flame- and Chemical-Resistant

Keyword: Portwest FR426 Multinorm Hi-Vis Winter Trousers

Sizes: Slightly small fit – we recommend ordering one size larger.
Availability: Delivery time approximately 7 days from order.
Return Policy: 80% refund if the product is returned in perfect condition, in its original packaging, with all tags attached.

Multi-protective FR winter trousers for cold and demanding work environments

Portwest FR426 PW3 FR Modaflame Rain+ Hi-Vis winter trousers provide excellent protection against flames, chemicals, and moisture. Designed for professionals working in multi-risk environments, they offer top-level protection against electric arc, rain, and cold. The two-tone, modern, and practical design combines safety and comfort.

Key Features

• Inherently flame-resistant properties retained through washing
• Protection against radiant, convective, and contact heat
• Fully lined and padded – excellent cold protection
• FR cotton lining adds comfort and warmth
• Flexible segmented reflective tape enhances visibility and mobility
• Detachable braces, rear zip fastening
• Two-level top-loading knee pad pockets
• Leg zips for easy dressing and ventilation
• Adjustable leg length (31"–33")
• Side elastic waistband for added comfort
• Seven roomy pockets, including ruler pocket and side pockets
• Adjustable hem for precise fit
• Non-magnetic – contains no nickel or iron
• CE certified, CE CAT III
• Suitable for ATEX environments

Materials and Construction

• Outer Fabric: Modaflame™ Rain Hi-Vis – 60% polyester, 21% modacrylic, 18% cotton, 1% carbon fibre, 7 mm ripstop, breathable PU coating, 270 g
• Lining Fabric: 100% cotton, flame-resistant lining, 170 g
• Filling: 100% polyester, flame-resistant wadding, 150 g

Standards and Certifications

• EN ISO 11612 A1+A2, B1, C1, F1 – Heat and flame protection
• EN ISO 11611 Class 1 A1+A2 – Welding protection
• EN 1149-5 – Antistatic properties
• IEC 61482-2 – Electric arc protection: IEC 61482-1-1 ELIM 32 cal/cm², ATPV 37 cal/cm²
• IEC 61482-1-2 APC 2 – Arc flash box test
• EN 13034 Type 6 – Limited protection against liquid chemical splashes
• EN ISO 20471 Class 2 – High visibility
• RIS 3279 TOM Clause 2 (orange only) – Railway industry standard
• EN 343 Class 4:1 X – Waterproof and breathable
• EN 342 0.337 (M²·K/W), 2, X – Cold protection

Washing Instructions

• Maximum washing temperature 40 °C, gentle cycle
• Do not bleach
• Do not tumble dry
• Hang dry or line dry
• Do not iron
• Do not dry clean

Frequently Asked Questions (FAQ)

What conditions are the FR426 winter trousers suitable for?

These trousers are ideal for cold, wet, and flammable environments where comprehensive protection is required against chemicals, flames, and electric arc hazards.

Do the trousers offer good mobility?

Yes. The Acti-Reach™ cut, elastic waistband, and adjustable braces provide excellent freedom of movement and fit.

Can the trousers be used in ATEX zones?

Yes. Their antistatic and non-magnetic construction makes them safe for use in ATEX and explosive environments.

How waterproof are the trousers?

They are fully waterproof and breathable (EN 343 Class 4:1 X) thanks to the PU-coated ripstop fabric.

Is the sizing standard?

The fit is slightly small – we recommend ordering one size larger than usual.

Standards and Explanations