Chainsaw trouser for GO/RT and motorway work when Hi-visibility is essential. Rail track work clothing has to conform to GO/RT :3279. EN 471 is a European Standard for high-visibility clothing. It specifies three classes of garments:

Class 1

Class 1 defines the lowest visibility level e.g. High-visibility trousers with two 5 cm reflective bands around each leg. These become Class 3 when worn with a Class 3 jacket.

Class 2

Class 2 defines an intermediary visibility level. Example: vests. Two 5 cm bands of reflective around the body or on one 5 cm band around body and braces to both shoulders. (This class is required for motor vehicles in France and other continental EU member states).

Class 3

Class 3 defines the highest level of visibility. Example jacket with long sleeves, jacket and trouser suit. Two 5 cm bands of reflective tape around the body, arms and braces over both shoulders. Class 3 should be worn when working within 1.2 meters of a Highway with traffic moving in excess of 50 km/h.