The MSA Left/Right™ Cap-Mounted Passive Earmuffs (High Yellow, NRR 28 dBA) are designed to provide optimal hearing protection in noisy work environments. Each ear cup is specifically shaped for the left or right ear, ensuring maximum comfort and sound attenuation. The adjustable headband allows a secure and comfortable fit throughout long workdays, and the earmuffs are compatible with MSA helmets featuring slots for easy integration with other head protection. Ideal for industries such as metal casting, paper mills, mining, and airports, these earmuffs reduce harmful noise exposure while maintaining visibility with their bright yellow color.