AERODYNAMIC MOVABLE TONNEAU COVER

A tonneau system for a vehicle including a cargo bed includes a cover coupled to a frame being movable between a deployed position and a retracted position. The frame is movable between a horizontal position and an aerodynamic position. A leading edge of the frame is positioned at a higher elevation than a trailing edge of the frame when the frame is at the aerodynamic position. A first side panel includes a first portion pivotally coupled to the frame and a second portion pivotally coupled to the first portion. The first portion extends substantially parallel to the ground when the frame is at the horizontal position. The first portion extends upright when the frame is at the aerodynamic position to close an opening that forms between the frame and the vehicle when the frame is at the aerodynamic position.