3M Peltor Optime 105 Over-the-Head Earmuffs

3M PELTOR Optime 105 Over-the-Head Earmuffs feature low-profile earcups that fit well with most helmets, Feature double-shell technology for effective hearing protection.

For noise levels up to 105 dBA, these behind-the-head earmuffs feature double-shell technology to provide effective hearing protection Patented Twin Cup(TM) design has soft, foam-filled earmuff cushions. Behind-the-head design allows for easy use with hard hats. Liquid/foam-filled earmuff cushions. Color coding for compliance sighting. Noise Reduction Rating (NRR)*: 29 dB. CSA Class AL *The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided. 3M is Leading the Advancement of Hearing Conservation.