HOSS Worker Men's Internal Metatarsal Composite Toe Electrical Hazard Slip-On Work Oxford GG1011 Then you have the Comfort

Then you have the Comfort Core® insole

Full-grain leather upper

This insole should be compatible with most shoes and boots

Rubber outsole with EVA midsole

CSA Z195-09/ISO 13287 slip resistant test results: Wet-0

HOSS Worker Men's Internal Metatarsal Composite Toe Electrical Hazard Slip-On Work Oxford GG1011 Then you have the ComfortASTM F2413 electrical hazard standard ASTM F2413 metatarsal guard standards ASTM F2413 protective toe classification Composite toe Defined heel Direct attached construction bonds upper to sole & resists chemical breakdown Full grain leather upper Generous toe box Lightweight, flexible, shock absorbing midsole Non metallic Outsole meets or exceeds ASTM F1677 96 Mark II 0. 50 CoF on wet and slippery surfaces Polyurethane Outsole XRD Performance internal