3M PELTOR Optime 105 Earmuffs are a high performance hearing protector. Featuring a proprietary dual-cup design and soft, foam-filled cushions, these earmuffs provide high attenuation and outstanding comfort. Additionally, these earmuffs are available in a variety of attachment types, including over-the-head, hard hat, and behind the head. For noise levels up to 105 dBA, these behind-the-head earmuffs feature double-shell technology to provide 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*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.

• Noise Reduction Rating (NRR) between 27–30 dB (depending on the attachment type)
• Double-shell technology boosts noise-blocking ability
• Made with soft, foam-filled cushions
• Stainless steel construction resists bending and warping
• 3M E-A-Rfit Dual-Ear Validation System testable