3M™ Peltor™ Hi-Viz, cap-mount earmuffs features bright orange colored earcups for added visibility. Benefits •Bright orange colored earcups for added visibility •Universal mounting attachment fits most hard hats •Earcup pivot points tilt for optimum comfort and efficiency. •Ultra light with liquid/foam filled earmuff cushions. •Noise Reduction Rating (NRR)*: 23dB. CSA Class A.