Enjoy the advantages of optimal ergonomics at the workplace: individually adjustable components for anatomically correct sitting always at the right working height thanks to progressive seat and height adjustment mechanism adjustable backrest compression ergonomically formed seat and back weight limit up to 200 kg Further equipment and options special pneumatic spring high density seat and backrest cushion foam carpet castors Schukra lumbar supports reinforced armrests, height adjustable polished aluminium base (optional) gliders, black (optional) castor wheels for hard floors (optional) head and neck rest (optional)