3M� PELTOR� Earmuffs X5 is a high performance hearing protector offering 37 dB attenuation for use against extremely high noise environments , which often require double protection. Despite the larger cups, the earmuffs remain relatively lightweight with excellent balance and wearer comfort. High performance hearing protector designed to offer protection against extremely high noise levels, for example airports, quarrying or paper mills Unparalleled attenuation without the need for double protection Twin headband design helps reduce heat buildup with good fit and balance Electrically insulated wire headband