Dr. Martens Unisex 7B10 Slip Resistant NS 7 Eye Leather Boots Leather Imported Heel measures approximately 1.5 inches" Full-grain leather uppers, classic commando outsole Slip resistant sole reduces the risk of slips and falls on hazardous surfaces Electrical hazard will help protect the wearer against accidental contact with electrical charge by offering additional insulation from the ground Breathable materials used allow the passage of air and moisture, which enable the wearers feet to breathe ASTM F2892-11 EH