The ALM Manufacturing CH011 Chainsaw Safety Helmet comes with integral ear defenders and metal mesh face shield (guard). It can be worn for use with all electric, petrol and battery-powered chainsaws. Exceeds the following safety standards Helmet EN397-1995, ANSI Z89.1.1997 Visor EN1731F, ANSI Z87.1, EN166 3B Ear Defenders EP167, EN352-3-1997, ANSI S3.19.