The Walkers GWP-RSEMPAT-ODG Hunting Earmuffs in Olive Drab Green with an American Patch are designed for hunters looking for reliable noise reduction while out in the field. With a Noise Reduction Rating (NRR) of 23 dB, these earmuffs effectively protect your hearing without impeding your ability to hear important sounds such as game calls or other hunters. The ambient sound enhancement feature ensures that you can still hear your surroundings while maintaining the necessary level of protection for your ears. Made by the trusted brand Walkers, these earmuffs are essential for any avid hunter.