Office Star Managerial Mid-Back Chair, 28-1/4"x28-1/2"x45", Black Managerial mid-back chairs feature a rich top grain leather or soft mesh fabric seat and back. Offers thick padded contour seat back with built-in lumbar support, tilting height adjustable headrest, pneumatic seat height adjustment and 2-to-1 synchro tilt control with adjustable tilt tension and tilt lock. Cantilever arms feature soft PU pads for added comfort. Heavy-duty base includes oversized dual wheel carpet casters.