• 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*** • X5 products have high attenuation: Perfect for the loudest of jobs • Noise Reduction Rating 31 Decibel • 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.