3M™ PELTOR™ Optime™ 101 Hard Hat Attached Earmuffs


When it comes to protecting workers’ hearing, there is no one-size-fits-all solution.

  • Cap-mounted design allows for easy use with most hard hats.
  • Color-coding for compliance sighting.
  • Noise Reduction Rating (NRR)*: 24 dB. CSA Class A.
  • *The NRR may overestimate the hearing protection provided during typical use.
Categories: SKU: 1390

Designed for durability and comfort
The 3M™ PELTOR™ Optime™ Earmuffs feature a range of models for increasing hearing protection needs. The stainless-steel headband is designed to help keep over-the-head earmuffs in place. This product is designed to help prevent bending and warping.

Custom options
These earmuffs come in Over-the-Head, Hard Hat Attached and Behind-the-Head models — as well as different bright colors — so supervisors and job site managers can verify compliance. To meet the requirements of diverse industrial jobs, these earmuffs feature a variety of NRR options.

Compatible with 3M™ E-A-Rfit™ Dual-Ear Validation System
E-A-Rfit™ provides an accurate quantitative assessment of how much noise reduction a hearing protector provides to an individual worker.

Attenuation Rating 24 Decibel
Bluetooth No
Case Quantity 10
Corded No
CSA Class CSA Class AL
Dielectric No
Earmuff Style Hard Hat Attached
Electrically Insulated No
Hearing Protection Style Hard Hat Attached
Hearing Protection Type cap-mount earmuffs
Material ABS
Metal Detectable
Moisture Resistant
Noise Attenuating Headsets
Product Color
Black, Green
Product Series Optime
Product Type
Recommended Application Assembly, Cleaning, Demolition, Electrical, Facility Maintenance, Grinding, Machine Operation, Painting, Sanding, Welding
Recommended Industry
Automotive, General Manufacturing, Metal Fabrication, Military Maintenance, Military Maintenance, Repair & Operation (MRO), Mining, Oil & Gas, Pharmaceutical, Repair & Operation (MO), Transportation
One Size Fits Most
TDS Required Yes


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