• Design of neckband allows earmuffs to be worn with a variety of face shields and headgear
• Compatible with headgear without accessory slots
• Soft, adjustable head strap helps to maintain a secure fit with many different types of headgear
• Fit can be confirmed: Verify with 3M™ E-A-Rfit™ Dual-Ear Validation System***
• X3 products have medium attenuation: Perfect for the mid-level noise environments

X Series earmuffs are 3M’s latest advancement in hearing conservation.  New technologies in comfort, design and protection all come together in this groundbreaking earmuff line.

The X-Series earmuffs are 3M’s latest advancement in hearing conservation. New technologies in comfort, design and protection all come together in this groundbreaking earmuff line. The X3B features a newly designed spacer to help improve attenuation without the need for a much larger cup or double cup design. This lightweight earmuff is designed for protection against hig H-level industrial noise and other loud sounds. - The wire headband offers consistent pressure over prolonged wearing periods  - Earcup pivot points tilt for optimum comfort and efficiency  - Replaceable ear cushions and foam liners (hygiene kit HYX3)  - Noise Reduction Rating (NRR)b 28 dB. CSA Class AL