263-43001 by Protective Industrial Products

Passive Ear Muff with Neckband - NRR 23
The Secure neckband style ear muff offers great versatility to the user. A perfect solution when you need hearing protection in conjunction with bump caps, helmets without attachment slots or head mounted face protection. The strong and flexible neckband balances the weight over the neck, keeping an even and comfortable pressure over the ears. "Snap-in" ear cushions with minimal sweat retention and soft foam filling increases the high comfort and are easily replaced, for a fresh long-lived product.