Meets ANSI/ISEA Z89.1 Type I/Class C and CSA Z94.1 Type I/Class C requirements Class C-Conductive Shell Vented for maximum air flow Lightweight shell made with UV stabilized High Density Polyethylene (HDPE) reduces worker fatigue 4-Point quick release suspension with strong textile straps and crown comfort pad provides a comfortable and secure fit 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 Non-chaffing, replaceable foam sweatband for maximum sweat absorption Universal accessory slots accommodate a variety of eye, face and hearing protection products Made in Canada