EN ISO 20471 - Norm for HighVis Workwear
This class provides higher protection than class 1, especially during the day, at dusk and in fog. The
total fluorescent surface must be at least 0.5 m2 and the reflective surface must be at lest 0.13 m2. Class 2 is used in ports, railways, construction sites, car parks, heavy goods vehicles and wherever Class 3 is not required.