3M Peltor Hi-Viz, Over-the-Head earmuffs features bright orange colored earcups for added visibility.A versatile, over-the-head earmuff with bright orange colored earcups for added visibility • Stainless steel construction resists bending and warping • Earcup pivot points tilt for optimum comfort and efficiency • Ultra light with liquid/foam filled earmuff cushions • Noise Reduction Rating (NRR)*: 23 dB. CSA Class A *The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided. 3M is Leading the Advancement of Hearing Conservation.