Dr. Martens Unisex Linnet Static Dissipation ST 4 Eye Leather, Rubber Shoes Leather Full grain leather upper, flexible cushioning EVA midsole, rubber compound outsole Safety toe cap, slip resistant sole Non-metallic construction that is electronically non-conductive Heat resistant outsole offers heat resistance up to 300 Celsius (or 572 Fahrenheit) for 60 seconds Anti-static electrical resistant