EN ISO 11393-5
The protective gaiters must be worn on top of safety boots that are certified to the EN ISO 20345 standard.
As safety boots have a steel nose, there may be a gap in the chainsaw protective covering surface, but it mustn’t exceed more than 14 mm from the front end of the boot. The minimum height must be 200 mm and the distance between the gaiter and the ground must be maximum 25 mm.
Class 1,2 and 3.
Class 0 is no longer allowed.