Chainsaw Safety Helmet Chainsaw safety helmet with integral ear defenders and metal mesh face shield. Rotary dial for single handed head strap size adjustment.Six point fabric hanger for ultimate comfort. Flip up extra large metal mesh face shield for improved safety. Metal mesh face shield does not scratch or steam up like a plastic visor. Adjustable ear defenders. Exceeds the following safety standards:Helmet EN397-1995, ANSI Z89.1.1997Visor EN1731F, ANSI Z87.1, EN166 3BEar Defenders EP167, EN352-3-1997, ANSI S3.19