3M Peltor Optime 105 Over-the-Head Earmuffs

Effective hearing protection for noise exposures up to 105dBA. The unique dual-shell design achieves maximum attenuation. The inner and outer cups have different resonances and are separated by a compressed layer of foam for superior reduction of sound transmission. Wide, padded headband and soft, foam-filled ear cushions provide an excellent seal and a comfortable fit. Stainless steel spring headset wires allow full adjustability. Weighs 9.3 oz, NRR of 30 dB.