Adjustable Fit: 6-point suspension and chinstrap for secure, comfortable wear Durable Materials: ABS helmet shell and PC visor for impact and eye protection Certified Protection: ANSI/ISEA Z89.1 Type 1 Class C, CE EN397, CE EN166 & ANSI Z87.1 Ventilation Design: Adjustable vents reduce heat and sweat in hot environments Accessory Ready: Compatible with ear muffs and multiple visor options Versatile Use: Ideal for construction, industrial, electrical, mining, and outdoor jobs