Complete hard hat systems for forestry combine hard hat, visor, and hearing protectors for a variety of environments. ISO 9000 | ANSI Tri-function unit offers head, face and hearing protection! Thin mesh, matte black metal screen visor. Hearing protector H31P3E. Rain shields available. Hygiene kits available. Originally developed for the logging and tree trimming industry, but now is extremely popular with home owner chain saw users.