Class 1: provides the lowest recognized coverage and good visibility. Apparel must consist of a basic harness or stripes/bands over the shoulder(s) and encircling the waist. Examples of jobs that might require Class 1 apparel: Workers directing vehicle operators to parking or service locations, workers retrieving shopping carts in parking areas, workers in warehouse operations, Right-Of-Way or sidewalk maintenance workers, and workers in shipping or receiving operations, etc.
Type O features a single Performance Class (Class 1) and is intended for off-road use, often indoors or more controlled environments. Who Benefits: Among others, workers retrieving shopping carts, working in warehouses and factories or extracting/refining oil & gas.