A vehicle removable roof system including a roof support structure removably attachable to a vehicle, the roof support structure including a plurality of vertically oriented supports and at least one horizontally oriented support. The at least one removable panel configured to engage with the roof support structure. The vehicle removable roof system formed of a light weight sandwich composite structure that affords a high gloss surface without resort to additional processing after production with improved moisture resistance and edges suitable for sealing the removable roof assembly to other vehicle components.