Hi-viz protection to keep workers safe on the job. Lightweight cooling device that protects neck by shading from harmful UV rays. FR: “Non-durable FR protection” is achieved by chemically treating a material that is not naturally fire-retardant, but becomes self-extinguishing after the treatment. Contrasting trim detail. Polyester mesh treated material to be self-extinguishing as defined by ASMT D6413. Fits both cap-style and full brim hard hats.