Particulate Respirator Jackets 3M™ Peltor™ Optime 95 Behind the Head Lettering:High Voltage 3M™ Peltor™ Optime 95 Behind the Head Earmuffs are intended for noise levels up to 95 dBA and feature a stainless steel construction that resists bending and warping muscle aches and spasms 1Available in three sizes HandyStrap allows mask to hang down loosely and comfortably around the user's neck when not in useCloth HandyStrap feels cool and comfortableSoft foam nose cushion for added comfort and less pressureDura Mesh® shell resists collapsing in heat and humidityMolded nose bridge seals easily without a metal nosebandFacepiece is naturally contoured for less pressureSoftspun® lining for increased comfort and durabilityNIOSH certified to have a filter efficiency of 95% against non oil based particulatesCertified under 42CFR84Meets heat and flame resistance in accordance with ANSI ISEA 110 2009 Section 7