Lightweight shell made with UV stabilized High Density Polyethylene (HDPE) reduces worker fatigue|Vented to increase air flow and to reduce inside hard hat temperatures|4-Point quick release suspension with strong textile straps and crown comfort pad provides a comfortable and secure fit|Non-chaffing, replaceable foam sweatband for maximum sweat absorption|SURE LOCK wheel adjustment system for one hand size adjustments|Precise height adjustment settings to ensure proper depth|Low nape strap provides a secure fit, allowing the hard hat to stay on your head even when workers are looking down or bending over|Universal accessory slots accommodate a variety of eye, face and hearing protection products|Meets ANSI/ISEA Z89.1 Type I/Class C and CSA Z94.1 Type I/Class C requirements|Custom logo imprinting available on all four sides of the hard hat