3M™ Peltor Optime 105 Hi-Viz Earmuffs, NRR 30

Twin cup design minimizes resonance, thus achieving maximum high and low frequency attenuation. Pivoting earcups for optimum fit. Padded steel headband with four point suspension for extra comfort. Material(s): ABS Plastic; Ear Cushion Material: Liquid/Foam; Noise Reduction Rate (NRR): 30 dB; Style: Over the Head.