Comfortably fits a wide range of head sizes. Wide cup opening for workers with larger ears, or who wear hearing aids. Durable, non-deforming plastic headband, head attachments for electrical environments. Steel-wire construction with padded headband and precision micro adjustments designed for just the right fit around the ear. Unique memory foam that combines denser and softer foam. Oil-resistant cup surface to withstand oily, heavy-work environments and frequent cleaning. ABS molded with internal baffle design for lighter weight. Designed for use with other PPE. Offers a variety of head attach options for easy PPE integration: behind the neck, multi-position, and hardhat attachments.