Abstract: To adapt a seat in a motor vehicle to the form of a sport seat, an additional seat part 7 is provided in the seat element 3 of a cover 1, pivotable to the front and back around a transverse pivot axis 6. Additional edged beadings at the seat element 3 or the back element 2 increase the adaptation to the character of a sport seat. Additionally, bags 9 can be attached or provided.