The PN542 Safety Helmet is designed for superior protection and comfort in demanding environments. Made from durable polypropylene co-polymer, it features dual corrugation for enhanced strength and a ratchet adjustment system to fit most head sizes securely. With increased vertical clearance for shock absorption and an extended nape for added neck protection, it ensures reliable safety. Ventilated slots with shutter mechanisms prevent rainwater entry while enhancing airflow. This helmet meets high electrical insulation standards by passing a 5kV proof voltage test and withstanding up to 10kV. Its sturdy yet stylish design ensures impact resistance, maximum visibility, and user comfort.