Penguin PS 911 M
Steel Toecaps (200 joules), CE 345-1.
Mid Sole Protection (optional, as per request).
It is not recommended to add steel midsole for nitrile rubber outsole as it is hard and strong compared to PU (polyurethane outsole. Use steel midsole for nitrile rubber outsole will reduce the outsole flexibility by 50%.
It is possible to use steel midsole as per user request.