Now, no safety earmuff can eliminate all sound, but with a Noise Reduction Rating (NRR) that tests as high as 37 decibels (dB), our foldable ear muffs reduce more sound than any other safety ear muff on the market. Whether you need ear protection for the firing range, construction work, machinist tools or just personal quiet time around the house, Decibel Defense is the top rated hearing protection earmuffs. And our smooth, padded cell headband with fabric stitching is the pinnacle of long lasting comfort and durability.