The Hi-Vis Ultrasonic Heated Tunnel Jacket - Portwest S548 is an advanced hi-vis jacket specially designed for professionals working in cold and high-risk environments. This jacket combines active heating technology with excellent visibility, ensuring you remain highly visible when working along roads or on construction sites. Thanks to its robust materials, this jacket offers reliable protection against harsh weather conditions and the physical demands of the workplace.
Which work activities and sectors is this Portwest hi-vis jacket most suitable for?
This hi-vis jacket is ideal for railway workers, road construction workers, and site personnel working outdoors during the winter months. The orange version complies with the strict RIS 3279 TOM Issue 2 standard, which is a requirement for safe working in the British railway sector.
Thanks to the active heating and reflective segments, the wearer stays warm and extremely visible in poor weather, at dusk, and at night, which significantly increases overall workplace safety.
What do the EN ISO 20471 standard classes mean for this specific model of workwear?
The EN ISO 20471 standard indicates the level of visibility. Size S of this jacket is certified to Class 2, which is sufficient for road work with lower traffic speeds. From size M upwards, the jacket meets Class 3, the highest safety class.
Class 3 is mandatory for work along roads where speeds exceed 60 kilometers per hour. The heat-applied segmented reflective tape ensures maximum visibility without restricting freedom of movement.
The elastic cuffs and adjustable drawcord in the hem ensure a comfortable fit. Two zippered side pockets and inner pockets provide secure storage space.
Features:
- Durable, breathable, windproof, and water-resistant fabric
- Highly water-resistant, eco-conscious fabric finish that causes water to bead off the surface
- Heat-sealed seams offer increased resistance to water and wind
- Soft Insulatex™ lining traps heat and protects against the elements
- Battery-powered carbon fiber heated panels provide the wearer with extra warmth
- Easy-to-charge, long-lasting battery pack
- Micro USB charging cable included
- Elasticated cuffs for a secure fit
- Adjustable drawcord in the hem
- 2 side pockets with zips
- Inner pockets for safe storage
- Fully lined to retain heat
- Chin guard with internal storm flap provides extra comfort
- Easy-grip pullers on all zippers
- Contrast panels for protection against dirt
- Heat-applied segmented reflective tape
- 4 pockets for storage
- Detachable hood
- UPF 40+ fabric blocks 98% of UV rays
- Certified to EN ISO 20471 after 25 washes
- CE certified
- UKCA marked
- Complies with RIS 3279-TOM for the railway industry (orange only)
- New model
- Available in sizes up to 3XL
Material and care:
- Shell fabric: 100% Polyester Pongee Ripstop with TPU membrane bonded to 100% Polyester Tricot (160g/m²)
- Lining: 100% Polyester Taffeta (55g/m²)
- Filling: 100% Polyester (260g/m²)
Washing instructions: Max wash temp 30°C, mild process. Do not bleach. Do not tumble dry. Line dry in the shade. Do not iron. Do not dry clean. Maximum 25 washes.
Standards: EN ISO 20471 Class 2 (: Size S), EN ISO 20471 Class 3 (: Size M Upwards), RIS 3279 TOM Issue 2 (Orange Only)
