A seating furniture product, with a support surface unit which forms a seat part and a backrest connected directly to the seat part, and with a frame, wherein the seat part is connected to the frame by means of a swivel joint allowing a rotation about a swivel axis aligned transversely to the seating furniture product and the backrest is connected to the frame by a fastening point, is characterized in that the distance between the fastening point and the swivel joint can be changed in terms of the vertical direction of the seating furniture product, such that changing this distance is accompanied by a change in the inclination alignment of the seat part.