VEHICLE SEAT WITH ADJUSTABLE BACKREST

The invention relates to a vehicle seat (1) comprising a seat portion (2) and a backrest (3), wherein the backrest has at least one left-side backrest longitudinal support (5) extending in the backrest height direction and at least one right-side backrest longitudinal support (6) extending in the backrest height direction, wherein the backrest longitudinal supports are fastened in a lower end region to the seat portion and/or a seat portion frame and have at least one padding element, wherein a distance between the backrest longitudinal supports is variable in its length by means of at least one elongated backrest cross-strut (12) arranged in the upper region of the backrest.