SURE LOCK wheel adjustment system for one hand size adjustments, Precise height adjustment settings to ensure proper depth, Fulfills Class E Electrical Insulation requirements, Meets ANSI/ISEA Z89.1 Type 1 and CSA Z94.1 Type 1 requirements, Made in Canada, Universal accessory slots accommodate a variety of eye, face and hearing protection products, 4-Point quick release suspension with strong textile straps and crown comfort pad provides a comfortable and secure fit, Lightweight shell made with UV stabilized High Density Polyethylene (HDPE) reduces worker fatigue, 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 , Non-chaffing, replaceable foam sweatband for maximum sweat absorption,