ES5 ES5 Premium Safety Eyewear Smart Communication Earplugs Face shield bracket is compatible 1596 4X Face shield bracket is compatible with Rocky series hard hats Designed to be compatible with Dynamic cap mounted ear muffs Dielectric HDPE material is non conductive Face shield attachment points are universal pattern design SM1P ISDP Helmet Mount Smart Extreme Noise Hazardous Location Bluetooth Two Way Radio Short Range Industrial Communication Headset (cable optional) The Crossfire® ES5 is a safety glass designed to provide its wearer not only with an ANSI rated protection but is lightweight for all day comfort The sleek framework provides substantial coverage for a variety of environments while the rubber nosepiece and temple help maintain a secure fit no matter the job