This standard specifies performance requirements for high
visibility safety apparel and headweare PPE. For the purpose of
this standard, the term "garment" shall be used to mean apparel and
headwear PPE. These garments are intended to provide conspicuity to
the user in hazardous situations under any light conditions by day
and under illumination by vehicle headlights in the dark.
Performance requirements are included for color,
retroreflection, and minimum areas, as well as the recommended
configuration of the materials. Performance, requirements are also
provided for the physical properties of background materials used
in the construction of high-visibility safety apparel and headwear.
Test methods are provided in the standard to help ensure that a
minimum level of visibility is maintained when garments are
subjected to ongoing care procedures.