Molded high-density polyurethane foam seat for enhanced comfort and durability. Italian Donati mechanism with single-lever control: 5-position locking, 7-level tilt tension adjustment, seat depth adjustment (slider), and forward tilt function. Seat construction without wooden inserts, ensuring reliability and a long service life. Height-adjustable lumbar support made of durable polycarbonate. Gray frame highlighting the chair’s modern design. Packaging: 1 piece per box. Package dimensions: 71 × 43 × 64 cm.