These peltor ear muffs are part of the ever popular 3M Peltor Optime Earmuff range that will offer you very versatile protection covering all sound and noise levels especially in the construction industry. These peltor ear muffs have a number of technological strengths; making them a compulsory piece of equipment in busy environments. Examples of these strengths include liquid sealing rings for improved comfort, and a unique low profile headband design helps maintain constant pressure. Also, you’ll see that with these peltor ear muffs there is a large space inside each cup that helps wick away moisture and prevent heat build-up, coupled with soft wide cushions to help reduce pressure around the ears. Code: H520A.