3M PELTOR Optime 105 Behind-the-Head Earmuffs, Red/Black

For noise levels up to 105 dBA, these behind-the-head earmuffs feature double-shell technology to provide effective hearing protection. Patented Twin-Cup design has soft, foam-filled earmuff cushions. Behind the head design allows for easy use with hard hats. Liquid/foam filled earmuff cushions. Color-coding for compliance sighting.