Sitting in motion® - The home and small office chair for a healthy back / Infinitely variable seat height adjustment with top lift (LGA tested) / Backrest with integrated height-adjustable lumbar supportbackrest with integrated, height-adjustable lumbar support and aluminium clips to connect the seat and backrest / Comfortable compartment seat with knee roll and Body-Balance-Tec®joint / Point synchronous mechanism, spring force individually adjustable to body weight, can be locked several times / Elegant and sturdy polished aluminium base, equipped with load-sensingwith load-braked double safety castors for carpeted floors / Including height and width-adjustable (via screw connection) "K2" armrest, with soft padded cushions, radially adjustable / Backrest incl. coat hooks / This model can be used as a chair or as an armchair. This model bears the GS mark of the LGA Nuremberg and fulfils all safety-relevant requirements in this context