Reduces noise levels up to 37 dB Wide flat headband is electrically insulated making the earmuffs electrically resistant or 'dielectric' Colour-coding makes it easy to identify the level of protection being worn Large cups are still lightweight Specially formulated foam in the earcups and cushions with an innovative spacer and cup design makes 3M Peltor X Series X5 the highest attenuating earmuff in the market Twin headband design provides heat dispersion and internal stainless steel design offers consistent pressure and comfortable fit over an 8 hour period Designed to optimise weight distribution and balance for outstanding comfort Suggested Applications Use for high performance hearing protection against high noise levels