Managerial mid-back chair features Air Grid back with built-in lumbar support and leather seat. Other features to improve comfort include 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. Seat size is 20" wide x 20" deep x 4" thick. Back measures 21" wide x 23" high x 1-1/4" thick. Distance between arms is 19-3/4"