Freight Wing’s AeroFlex 2012 side skirts are designed to improve fuel economy and are 30 pounds lighter than previous models. Using a dense matrix polyethylene material – a custom-engineered automotive plastic – AeroFlex 2012 side skirts were built for extreme conditions from -103 to 158 degrees Fahrenheit and with “shape memory,” the ability to return to their original form after large impacts. A mounting clamp system is designed to be easier to install and maintain to prevent slipping during extreme impacts while maintaining fairing alignment.