Aerodynamic shields from Airodyne Industries are customized by truck make and model. The units are designed to achieve maximum aerodynamic advantage. Turbulence inducing gaps are minimized. Proper shaping creates the lowest resistance to airflow. The products are designed to be durable, by a careful analyzation of the aerodynamic loads, side and roof clearances and anticipated use of each unit. Stainless steel, fiberglass and aluminum components are brought together to produce a long lasting product.