Lightweight expression is one main theme of the Aérodyne. Examples of this can be seen in the slender fenders which required support struts, an open cockpit and small headlight surrounds.
Another focus of the car is the retractable roof which shapes the entire fastback roofline and closes directly onto the top of the windshield. The unit is pneumatic and relies on a twin-cylinder suction engine that is mounted in the trunk. Operation of top is slow, but nearly silent. Several windows were put into the sunroof to provide rearward vision at various positions.