The new mechanism makes Kab Seating Navigator suitable for 50-150 kg users. Both the seat and backrest have excellent lateral support. Robot-welded steel frame, robust paddings. Height adjustment: 46-56 cm. Backrest height: 54 cm. Seat depth 44 cm. Width of the seat: 51 cm. Width of the aluminium cross base: 70 cm. Navigator comes with an adjustable backrest extension, lateral support and air-filled lumbar support. Easily liftable armrests, with height adjustment. When backrest is adjusted, armrests are automatically adjusted downwards which makes it easier to move closer to the table. Rocking lock, safety lock and resistance quick adjustment according to the user. Soft or hard casters, depending on the floor type (soft casters for hard floor material).