This earmuff combines excellent attenuation with comfortable durability. Provides a protective seal without excess pressure while the pivoting earcup connections help maintain the seal and proper alignment. These lightweight earmuffs may be worn over-the-head, behind-the-head, or under-the-chin. Large earcup openings and soft, foam-filled cushions offer a snug, comfortable fit. Durable, lightweight construction of non-conductive, dielectric plastic.