Reflective or high visibility clothing is required to comply with the International Standards Organisation (ISO), the definition of the standard is ISO 20471:2013. The standard specifies requirements for high visibility clothing. which is capable of visually signalling the user’s presence. The high visibility clothing is intended to provide conspicuity of the wearer in any light conditions when viewed by operators of vehicles or other mechanised equipment during daylight conditions and under illumination of headlights in the dark.
Performance requirements are included for colour and retro-reflection as well as for the minimum areas and for the placement of the materials on protective clothing. In summary there are three classes of high visibility clothing, these are summarised below.
CLASS I – Daytime use where vehicle speed does not exceed 30 km/h and is suitable for workers that work in warehouses, maintenance and cleaning crews. Examples of Class I high visibility clothing includes bibs and waistcoats.
CLASS II – Day and night use where vehicle speed does not exceed 60 km/h and is suitable for workers that work as traffic control, airport personnel and construction sites. Class II high visibility clothing will be categorised as EN2 (two rows of reflective tape), EN4 (one row of reflective tape), high visibility golf shirts, and rain suits.
CLASS III – Day and night use where vehicle speed exceeds 60 km/h and is suitable for highway patrol, emergency services and road maintenance. Examples of Class III high visibility clothing includes bunny jackets or waterproof bunny jackets.
Article prepared and written by Adel Kilian – 14.08.2020