3M™ Peltor™ Optime™ 105 over-the-head earmuffs feature double-shell technology to provide effective hearing protection.
Effective hearing protection for noise exposures up to 105dBA
Double-shell technology boosts its noise blocking ability
Durable stainless steel headband resists bending and warping
Noise Reduction Rating (NRR) of 30 dB*, highest available in over-the-head style earmuffs