3M™ Cap Mount Hat Headgear assembly can be combined with any 3M™ Faceshield for face protection. This high-strength thermoplastic cap-mount headgear provides impact resistance and features a unique system that allows window replacement in seconds. Meets ANSI Z87.1-2010 requirements. Requires protective eyewear, sold separately. 3M™ Cap Mount Headgear is designed to fit most hard hat accessory slots. It features a high-strength thermoplastic crown that helps to provide excellent impact resistance. The headgear system gives users a wide choice of faceshield materials, sizes, shapes, and tints for task specific requirements. The headgear meets the requirements of CSA Z94.3 ANSI Z87.1-2010.