The Portwest S450 Sealtex Classic Jacket is a waterproof outer layer for outdoor work in wet weather. Its PU-coated polyester tricot fabric and welded seams keep rain out, while the durable, stretchy finish wipes clean after dirty jobs.
A double storm flap with concealed stud and zip fastening seals the front against wind and driving rain. The hood packs away when the weather clears, and two pockets keep personal and work items secure.
Key features
- Welded seams stop water getting in through the stitch lines
- Water-repellent, eco-conscious fabric finish makes rain bead and run off the surface
- Durable, stretchy fabric with a wipe-clean finish for quick cleaning after mucky work
- Vented back yoke and eyelets let air circulate to help reduce heat build-up
- Double storm flap with concealed stud and zip fastening protects the front opening from wind and rain
- Two-way zip gives quick access to clothing and tools underneath
- Stud-adjustable cuffs close securely around the wrists to keep water out
- Pack-away hood stores neatly when not needed, plus 2 pockets for secure storage
Materials and performance
Sealtex Classic fabric: 100% polyester tricot, PU coated, 200g.
Standards and protection
Certified to EN 343 Class 4:1 X, with a waterproof rating of 5,000mm (WP 5,000mm).
Fit and sizing
Regular fit. See our Portwest Sizing Guide for detailed information.
Ventilation
Waterproof coated fabrics can trap warmth during active work. The vented back yoke and eyelets let air move through the jacket, and the two-way zip can be opened from the bottom for extra airflow while the storm flap stays fastened.
Care
- Machine wash at 40°C on a gentle cycle
- Do not bleach
- Do not tumble dry
- Drip dry
- Do not iron
- Do not dry clean
Add your logo
If you’d like to add your logo to the Portwest S450 Sealtex Classic Jacket, please contact us.

















































