Buy online high visibility clothing on equipeur.fr - equipeur : online sales specialist equipment work at height and confined spaces, climbing, mountaineering, high visibility wetsuit, high visibility overalls, high visibility jacket, high visibility trousers, francital. EN 471: High-visibility protective clothing EN 471 specifies the characteristics that clothing intended to visually indicate the presence of the user must have in order to detect and clearly see him in dangerous conditions, in all day and night light conditions in the headlamps' light. There are three classes of signal clothing. Class 1 garment Class 2 garment Class 3 garment Attribute 1: Material Surface Class (1 to 3) Gives the class according to the amount of visible retro-reflective and fluorescent material. Attribute 2 : Class of Reflective Material (1 to 2) Gives the class according to the retro-reflective material and its retro-reflective coefficient. Retro-reflective technologies reflect the light from vehicle headlights back to their source and increase the visibility distance of a pedestrian from 30 to 160 metres. Reflective strips made of microbead fabrics: microbeads of glass embedded in a reflective resin. Reflective strips of microprismatic films: acrylic prisms welded to a PVC film by intramolecular bonding