Earmuffs with a three-position headband combine excellent attenuation with comfortable durability. Design provides a protective seal without excess pressure while the pivoting earcup connections help maintain the seal and proper alignment. Large earcup openings and soft, foam-filled cushions offer a snug, comfortable fit. Durable, lightweight construction also includes nonconductive, dielectric plastic. Wear over the head for a Noise Reduction Rating of 20 decibels (CSA class A). Wear behind the neck or under the chin for a Noise Reduction Rating of 22 decibels (CSA Class AL).