Composite safety toe work boots can be a non-metallic possibility that may aspect protection materials like carbon fiber, plastic, or fiberglass. Composite boots might be useful on work sites where metal detectors are in use, or in situations where electrical protection is very important. I'm actually having the precise challenge https://vuf.minagricultura.gov.co/Lists/Informacin%20Servicios%20Web/DispForm.aspx?ID=9015634