Dr. Martens Men's Calamus Safety Toe 7 Eye Boot Black Mesh Imported Rubber sole Breathable ballistic mesh synthetic upper High traction, engineered, rubber compound outsole Safety toe cap, slip resistant sole Electrical hazard will help protect the wearer against accidental contact with electrical charge by offering additional insulation from the ground Heat resistant outsole offers heat resistance up to 300 Celsius (or 572 Fahrenheit) for 60 seconds