When you need serious hearing protection on a loud jobsite, the 3M Optime 98 series is a trusted choice. These A9A model earmuffs are built for high-noise environments like construction, manufacturing, or airports. They feature a sturdy headband and pivoting ear cups that help create a better seal around your ears for maximum noise reduction (check specs for the exact NRR - Noise Reduction Rating). The bright yellow color is highly visible for safety. They're designed to be comfortable for extended wear with padded cushions. These are compatible with other 3M safety gear, like the Tuffmaster face shield system. A reliable, professional-grade piece of PPE to help protect your long-term hearing health.