This hard hat meets ANSI/ISEA Z89.1 Type 1 and CSA Z94.1 Type 1 standards and fulfills Class E Electrical Insulation requirements. The lightweight, UV-stabilized HDPE shell reduces fatigue. It features a 4-point suspension with textile straps and a comfort crown pad for a secure fit. The SURE LOCK wheel adjustment allows for easy, one-handed sizing, and precise height settings ensure proper depth. The low nape strap keeps the hard hat secure, even when bending over. A non-chafing, replaceable foam sweatband maximizes sweat absorption. Universal accessory slots fit various protective gear.