This headband version of the Optime II earmuffs delivers excellent protection in industrial working environments. Designed to protect against moderate to high levels of noise, these ear defenders combine comfort and protection for all-day use. Features and Benefits Wide cushions reduce pressure for comfort during prolonged wear Spacing inside the cup reduces heat build-up and improves wearability Replacement cushions are readily available to maintain hygiene Durable stainless steel headband helps to maintain the cup to ear seal Sealing rings are filled with a combination of liquid and foam for effective cushioning Padded headband is easy to clean and folds down for storage Standards CE certified EN 352-1:1993