Lightweight shell made with UV stabilized High Density Polyethylene (HDPE) reduces worker fatigue|Smooth dome shell has a rain trough for extra convenience in adverse weather conditions|4-Point quick release suspension with strong textile straps and crown comfort pad provides a comfortable and secure fit|SURE LOCK wheel adjustment system for one hand size adjustments|Swing strap suspension enables the wearer to reverse don the hat without having to reinstall the suspension|Non-chaffing, replaceable foam sweatband for maximum sweat absorption|Precise height adjustment settings to ensure proper depth|Universal accessory slots accommodate a variety of eye, face and hearing protection products|Meets -ANSI/ISEA Z89.1 Type I and CSA Z94.1 Type I requirements|Fulfills Class E Electrical Insulation requirements (20,000 volts)|Custom logo imprinting available on all four sides of the hard hat