3M™ Peltor™ Optime™ 101 behind-the-head earmuffs fit well with most helmets, eyewear and other safety equipment.<br><br>
<ul>
<li>For noise levels up to 101 dBA</li>
<li>Stainless steel band distributes weight for low-pressure fit</li>
<li>Liquid/foam filled earmuff cushions</li>
<li>Noise Reduction Rating (NRR)*: 26 dB. CSA Class A</li>
</ul>