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