Optime I headband ear defenders. For moderate to high noise attenuation. Extremely low profile and light, making it easy to team with other equipment. Generous inside depth to accommodate the ears for comfort. Soft and wide sealing rings filled with a unique combination of foam and liquid, providing optimum sealing and low pressure. High attenuation despite lightness and low profile. Unique band design, stainless steel wire for constant pressure over long periods of use. SNR 26dB.