Portwest EV401 Expedition is a heavy-duty hi-vis winter parka for the coldest outdoor work — long static shifts in frost, snow and wind. Stretch shell with PU membrane (20,000 mm), 500 g/m² Insulatex Pro insulation, internal snow skirt, double storm flap and helmet-compatible hood.
Key features
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Warm: 500 g/m² Insulatex Pro insulation and internal snow skirt; EN 342 0.398 m²·K/W listed.
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Weather protection: Waterproof 20,000 mm with taped seams, PFAS-free Texpel Splash Eco finish, double storm flap, ventilation openings.
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Visibility: Heat-applied segmented reflective tape; EN ISO 20471 Class 3 (M–3XL), Class 2 (S).
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Pockets: Multiple pockets.
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Fit: Extended back, two-way zip, helmet-compatible hood with transparent side panels, storm cuffs, adjustable hem.
Specifications
| Brand |
Portwest |
| Model |
EV401 (EV4 range) |
| Type |
Heavy-duty insulated hi-vis expedition parka |
| Outer fabric |
Polyester stretch 150D, PU membrane, 160 g/m² |
| Lining |
Polyester Pongee 80 g/m²; sleeves/hood 63 g/m² |
| Insulation |
Polyester Insulatex Pro, 500 g/m² |
| Waterproof rating |
20,000 mm, taped seams |
| Reflective tape |
Heat-applied segmented |
| Standards (as listed by manufacturer) |
EN ISO 20471 Class 2 (S), Class 3 (M–3XL); EN 343 Class 4:1 X; EN 342 0.398 m²·K/W, 2, X; RIS 3279 TOM Issue 2 (orange only) |
| Colours |
Yellow, Orange |
| Sizes |
S, M, L, XL, 2XL, 3XL |
Best for
Arctic-style conditions: road and rail crews, traffic control, port and yard staff, crane signallers.
Choosing the size
Available in sizes S, M, L, XL, 2XL, 3XL. Winter jackets are usually worn over a fleece or hoodie — if you are between sizes, choose the larger one. See our size guide, or send us your crew's sizes and we will check them for you.
Complete the kit
Ordering for a crew? Add hi-vis trousers, safety boots, gloves and a helmet in one order with our kit builder. Companies with an EU VAT number can buy without VAT and receive an invoice.
