High-visibility clothing, a type of personal protective equipment (PPE), is any clothing worn that has highly reflective properties or a colour that is easily discernible from any background. Yellow waistcoats worn by emergency services are a common example.
Part of the surface of the garment may have retroreflective stripes. This way they become much more visible in the dark for observers near a light source, such as the driver of a car with its headlights on. The pattern of the retroreflecting parts also helps to distinguish between objects and people. Area reflective fabric has proven to be the most effective way of outlining the body, so that drivers can distinguish a human shape at night.
For greater visibility during the daytime, very bright colours are used for the main body of the garment by means of fluorescent material.
Read more about High-visibility Clothing: Users, Application For Rail Workers in The UK, Gallery, Effectiveness, Standards
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