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 while working along the road or at the construction site. Thanks to its robust materials, this jacket offers reliable protection against harsh weather conditions and physical strain in the workplace.
Which jobs and sectors is this hi-vis jacket from Portwest most suitable for?
This hi-vis jacket is ideal for railway workers, road workers, and construction personnel who are active outdoors during the winter months. The orange variant meets the strict RIS 3279 TOM Issue 2 standard, which is a requirement for working safely in the British railway sector.
Thanks to the active heating and reflective segments, the wearer remains warm and extremely visible in poor weather, at dusk, and at night, which significantly increases overall safety in the workplace.
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 works with lower traffic speeds. From size M onwards, 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 elasticated cuffs and adjustable drawcord hem guarantee a comfortable fit. Two zippered side pockets and internal pockets provide secure storage space.
Features:
- Durable, breathable, windproof, and water-resistant fabric
- Extremely water-resistant, eco-conscious fabric finish, causing water to bead away from the surface
- Heat-sealed seams provide increased resistance to water and wind
- Soft Insulatex™ lining keeps heat in and protects against the elements
- Battery-powered carbon fiber heated panels provide the wearer with extra warmth
- Easy to load and long-lasting battery pack
- Includes Micro USB charging cable
- Elasticated cuffs for a secure fit
- Adjustable drawcord hem
- 2 zippered side pockets
- Internal pockets for secure storage
- Fully lined to retain heat
- Chin guard with built-in storm flap provides extra comfort
- Easy-grip pullers on all pockets
- Contrast panels for protection against dirt
- Heat-applied segmented reflective tape
- 4 storage pockets
- Detachable hood
- UPF 40+ rated fabric to block 98% of UV rays
- Certified to EN ISO 20471 after 25 washes
- CE certified
- UKCA marked
- Complies with RIS 3279-TOM for the rail industry (orange only)
- New model
- Available in sizes up to 3XL
Fabric and Care:
- Shell Fabric: 100% Polyester Pongee Ripstop with a TPU membrane bonded to 100% Polyester Tricot (160g)
- Lining Fabric: 100% Polyester Taffeta (55g)
- Filling: 100% Polyester (260g)
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)
