Leightning features patented Air Flow Control™ technology for optimal attenuation across all frequencies. The robust steel wire headband can withstand demanding use. It features an exclusive padded foam headband and super soft, snap-in ear cushions that deliver long-wearing comfort. The telescoping height adjustment provides a snug fit every time. Cap-mounted earmuffs include a set of adapters for use with popular hard hats. Sleek, anatomic neckband can be used with face shields, visors, hard hats and other PPE. Includes headband strap for better positioning. ANSI S3.19-1974/CSA Z94.2. EA