Lightweight shell made with UV stabilized High Density Polyethylene (HDPE) reduces worker fatigue, SURE LOCK wheel adjustment system for one hand size adjustments, 4-Point quick release suspension with strong textile straps and crown comfort pad provides a comfortable and secure fit, 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, Vented for maximum air flow, Made in Canada, 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 1 requirements, Non-chaffing, replaceable foam sweatband for maximum sweat absorption, Class C-Conductive Shell,