The RSD V-Guard Type I Class E Hard Hats offer electrical insulation up to 20,000 volts along with impact protection. They conform to ANSI/ISEA Z89.1 standards for Type I, Class E & G, and comply with OSHA 1910.135 and 1926.100 regulations. Key features include compatibility with hat sizes ranging from 6.5 to 8, weighing 0.9 lbs, production in an ISO 9002 registered facility in the USA, optional visor attachments for added eye protection, an innovative suspension system that flexes at critical points for enhanced fit, and a ratchet suspension mechanism for quick and effortless size adjustments, complete with cushion pillows and a nape cushion for optimal comfort.