ANSI/ISEA Summary

Class 1

For workers in occupations that permit full and undivided attention to approaching traffic
When work backgrounds are not complex
When pedestrian workers are separated from traffic

Parking lot attendants, shopping cart retrievers, warehouse workers, and delivery vehicle drivers

Class 1 Minimum Requirements	Background Fabric	Retro Reflective Material
	217 square inches	155 square inches

Class 2

For workers who require greater visibility under inclement weather
When work background are complex
When tasks divert attention from approaching vehicle traffic

Roadway construction workers, utility workers, survey crews, railroad workers, school crossing guards, airport baggage handlers, law enforcement personnel, accident site personnel, emergency response personnel, high volume parking and tollgate personnel

Class 2 Minimum Requirements	Background Fabric	Retro Reflective Material
	775 square inches	201 square inches

Class 3

For workers and vehicle operators whose high task loads place them in danger
When wearer must be conspicuous through the full range of body motions at a minimum of 1,280 feet
When wearer must be identifiable as a person

Roadway construction workers, utility workers, survey crews, and emergency service personnel

Class 3 Minimum Requirements	Background Fabric	Retro Reflective Material
	1240 square inches	310 square inches