With the Duke you are always as comfortable as the director. It Donati Dynamic Plus mechanism, the extra thick comfort seat with stitching and 5 cm adjustability, the high, upholstered backrest with stitching and the height- and width-adjustable ergonomic armrests provide a lot of comfort during a long sitting period. This office chair is also equipped with a polished aluminum chassis with a matt black underside with a two-stage gas lift and multifunctional wheels. The Duke comes with a standard 5-year warranty. The Duke complies with (N)EN 1335. This standard indicates that the chair has a height-adjustable seat, a backrest of at least 22 cm high and a lumbar support surface, armrests with a length of of at least 20 cm and a tilt mechanism at both the backrest and the seat. This chair includes: * Donati Dynamic Plus mechanics * Armrests adjustable in height and width * Aluminum polished base * Multifunctional wheels * Equipped with a lumbar support surface * Seat adjustable in height and seat depth * Tilting mechanism at the back and seat