3M™ PELTOR™ Optime™ 105 Earmuffs H10A, Over-the-Head

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 Noise Reduction Rating (NRR) of 30 dB,* highest available in over-the-head style earmuffs The 3M™ Peltor™ Optime™ 105 Over-the-Head Earmuff has been developed for effective hearing protection in the most demanding noise environments where noise exposures are expected to reach as high as 105 dBA. The Optime™ 105 over-the-head earmuff features added mass and volume, plus a unique “double-shell” earcup design (two cups connected via foam inner layer) to boost the noise reduction throughout the full range of low and high frequencies. The durable stainless steel headband resists bending and warping and