• Stylish crown and wraparound face shield frame • Premium molded polycarbonate AF window • Extra-large flip-up/flip-down IR visor • Exclusive Jackson Safety® HHIS universal slot hard hat adaptor • Fits most slotted hard hats • The Quad 500® features the Jackson Safety® 370 Speed Dial™ ratcheting headgear system —an industry best! • All models meet or exceed ANSI Z87.1+ high impact standards • Certified to CAN/CSA Z94.3 standards