These Conductor work boots a built for hard work Cowhide leather upper Oil and slip resistant PU outsole meets or exceeds ASTM F2892 safety footwear standards Double Comfort System orthotic made with Texon/Poron for maximum comfort Made in the USA with Global Parts - Proudly made in the USA with global parts, our USA-Made boots are crafted by hand by the talented bootmakers at our El Paso, Texas factory. Electric Hazard - Our electrical hazard rated boots protect you from open electrical currents from the bottom up. Tested up to 18,000 volts. Justin Men's Conductor 10 Inch Work Boot