High visibility clothing is categorized in 3 classes. Each class requires for these garments minimal surfaces of the background material and the retroreflective material or on combined material, and this accordingly to the table hereunder.

>>> Class 3 concerns the highest level of visibility and encounts longsleeved jackets, parkas, coveralls and jacket-trousers suits.

>>> Class 2 represents the intermediate level which can be found on waistcoats and chasubles or on jackets without retroreflective bands on the sleeves.

>>> Class 1 is the lowest visibility level which can be found on trousers worn without jacket or vests or on small garments.