The WOMEN'S HOT WEATHER Combat Boot is constructed for the U.S. Air Force. The boot provides a high comfort level with a premium polyurethane Wellco TUFFkushion midsole construction, including a Vibram rubber slip & oil resistant outsole. The boot interior includes the Wellco Elite Signature Insole for additional comfort to separate the WOMEN'S HOT WEATHER Combat Boot from the rest. Made with pride in the USA!