Roof system for a vehicle having a roof opening in a roof part thereof, comprising: at least a closure panel which is movable between a closed position in which it closes the roof opening and an open position in which it opens the roof opening and is positioned at least partially above an adjoining portion of the roof part, a stationary guide rail at each longitudinal side of said roof opening, suitable for slidably guiding an operating mechanism that operates the closure panel in a longitudinal direction of the vehicle, said operating mechanism comprising: a rear device for moving the rear edge of the closure panel towards a raised position relative to the closed position and above the adjoining portion of the roof part; a front device including a lever for moving the front edge of the closure panel in a vertical direction; and a driving slide which is slidably accommodated in each guide rail and is drivable by a drive member in order to move the closure panel both in vertical and in horizontal direction through the front device and rear device; wherein the lever of the front device is connected to the driving slide through a pin-curve assembly, is provided with at least one slide-shoe (15, 16) which is in engagement with a stationary guide curve (17, 18) and is pivotally in engagement with the closure panel, characterized in that the at least one slide shoe (15, 16) is integrated with the lever and is positioned at the front end of the lever. at least a closure panel which is movable between a closed position in which it closes the roof opening and an open position in which it opens the roof opening and is positioned at least partially above an adjoining portion of the roof part, a stationary guide rail at each longitudinal side of said roof opening, suitable for slidably guiding an operating mechanism that operates the closure panel in a longitudinal direction of the vehicle, said operating mechanism comprising: a rear device for moving the rear edge of the closure panel towards a raised position relative to the closed position and above the adjoining portion of the roof part; a front device including a lever for moving the front edge of the closure panel in a vertical direction; and a driving slide which is slidably accommodated in each guide rail and is drivable by a drive member in order to move the closure panel both in vertical and in horizontal direction through the front device and rear device; wherein the lever of the front device is connected to the driving slide through a pin-curve assembly, is provided with at least one slide-shoe (15, 16) which is in engagement with a stationary guide curve (17, 18) and is pivotally in engagement with the closure panel, characterized in that the at least one slide shoe (15, 16) is integrated with the lever and is positioned at the front end of the lever. a rear device for moving the rear edge of the closure panel towards a raised position relative to the closed position and above the adjoining portion of the roof part; a front device including a lever for moving the front edge of the closure panel in a vertical direction; and a driving slide which is slidably accommodated in each guide rail and is drivable by a drive member in order to move the closure panel both in vertical and in horizontal direction through the front device and rear device; wherein the lever of the front device is connected to the driving slide through a pin-curve assembly, is provided with at least one slide-shoe (15, 16) which is in engagement with a stationary guide curve (17, 18) and is pivotally in engagement with the closure panel, characterized in that the at least one slide shoe (15, 16) is integrated with the lever and is positioned at the front end of the lever.