The vests are designed to make wearers stand out against their surroundings, especially in low-light or high-traffic areas. They are commonly used by construction workers, surveyors, traffic control personnel, and others who work in environments where visibility is critical for safety. The vests in the image are made with fluorescent colors and feature reflective strips, multiple pockets, and a zipper front.
These types of vests are often categorized by safety standards, such as ANSI/ISEA Class 2, which is suitable for medium-risk traffic and public safety workers. The materials used are typically polyester mesh fabric, which is breathable, lightweight, and durable.