Specifies the photometric, colorimetric and physical property requirements for high visibility materials for outdoor daytime use, and retroreflective materials for use at night or in other dark conditions, for the manufacture or incorporation into industrial safety garments designed to be worn in situations where the wearer needs to be highly visible. The Standard does not include immersible water safety materials such as those used on personal flotation devices.

AS/NZS 1906.4:1997

Retroreflective materials and devices for road traffic control purposes, Part 4: High visibility materials for safety garments