Optime II Earmuffs are high-performance hearing protectors, developed for use in extremely noisy and stressful environments to provide dependable, comfortable hearing protection. The Optime II is based on a double casing design technology that minimises resonance resulting in significant improvement in high-frequency attenuation. The sealing rings are broad and filled with soft plastic foam for the best possible fit and low contact pressure. Peltor Optime II Earmuffs Hearing Protection