Lightweight shell made with UV stabilized High Density Polyethylene (HDPE) reduces worker fatigue4-Point quick release suspension with strong textile straps and crown comfort pad provides a comfortable and secure fitNon-chaffing, replaceable foam sweatband for maximum sweat absorptionSURE LOCK wheel adjustment system for one hand size adjustmentsPrecise height adjustment settings to ensure proper depthLow nape strap provides a secure fit, allowing the hard hat to stay on your head even when workers are looking down or bending overUniversal accessory slots accommodate a variety of eye, face and hearing protection productsMeets ANSI/ISEA Z89.1 Type I and CSA Z94.1 Type I requirementsFulfills Class E Electrical Insulation requirements (20,000 volts)Custom logo imprinting available on all four sides of the hard hat