3M™ Peltor™ Optime™ 105 behind-the-head earmuffs features low-profile earcups that fit well with most helmets, Feature double-shell technology for effective hearing protection.
- Patented Twin-Cup™ 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