A removable convertible top for a convertible vehicle. The convertible top includes a flexible water-tight canvas provided with longitudinal reinforcements, the ends of which are suitable for resting on the bars of a vehicle; curved rigid side reinforcements, arranged on the opposite sides of the canvas, parallel to the longitudinal reinforcements, and respectively provided with sets of hooks for engaging with complementary coupling structures provided on the vehicle. The canvas and side reinforcements interlock to automatically tension the canvas, when the two sets of hooks interlock with the coupling structures.