Keen Men's Chicago 6" ESD Carbon Fiber Toe Work BootThis ESD rated, carbon fiber toed work boot will be the favorite tool to help get the job done right. With KEEN. ReGEN cushioning midsole, and a non mutilating, non metallic upper, this boot is ready to work. Features Left and right asymmetrical, non metallic carbon fiber toes offer unobtrusive fit and are 15% lighter than steel Electro static dissipative (ESD) constructed to reduce excess static electricity 90 heel (5 8" Height) provides stability