Managerial mid-back chair offers a thick padded contour seat & back with super lumbar support. Other features include top-grain leather upholstery & height-adjustable arms with soft pads. Functions include pneumatic seat-height adjustment, 360-degree swivel, tilt, dual-action synchro tilt, tilt tension, tilt lock & synchronized knee tilt (2-to-1 synchro tilt). Heavy-duty aluminum base has a five-star design & oversized dual-wheel casters. Seat measures 19-1/2 wide x 20" deep x 4" thick. Back size is 21" wide x 22" high x 2-1/2" thick. Distance between arms is 19-1/2". "