Authoritative Certification: The hard hat complies with ANSI/ISEA Z89.1 Type 2, Class E standards. Rigorously tested to help ensure consistent quality and performance in industrial work settings Reliable Secure Support: With tough ABS fabric, this industrial safety helmet provides high impact strength to handle external shocks. Its electrical insulation helps reduce shock risks, and its cold-crack design works well in extreme conditions Breathable Comfort for All-Day Wear: The full brim hard hat is designed with a 6-point suspension and flexible Y-straps to fit 20.87 to 25.2 in/53 to 64 cm heads. Quick-dry chin pad absorbs sweat and helps you stay cool and comfortable all day long Upgraded Structural Design: With 360° reflective detailing, this chin strap hard hat increases your visibility in dim light, at night, or in poor weather