For occupational activities where risk levels exceed those of a Class 2, such as where workers are exposed to significantly higher vehicle speeds and/or reduced sight-distances while the worker and vehicle operator have high task loads, clearly placing the worker in danger. Class 3 should also be used in applications where the wearer must be conspicuous through the full range of body motions at a minimum of 1280 feet (390 Meters) and must be identifiable as a person. Class 3 safety vest features 100% polyester material with 2" silver reflective striping and Velcro front closure. Reflective striping on sleeves. This style has a left bottom pocket, a left chest pocket and a right inside pocket. Color: Fluorescent Lime. Sizes: Large to 4XL. Meets ANSI/ISEA 107-2004. Applications include utility workers, flagging crews, survey crews, emergency response personnel, roadway construction personnel. 50 per case. Sold by the each.