Leather Black Seat - Mesh - Black Frame - 27.5" x 28" x 44.6" Overall Dimension | High-back mesh chair is upholstered in leather and features mesh back for breathability. Functions include pneumatic seat-height adjustment, 360-degree swivel, synchronized knee tilt, tilt tension and tilt lock. Integral lumbar support is adjustable. Included urethane arms are height adjustable. Distance between arms is 19-12". Seat size is 22" wide x 20" deep x 20 high from the floor. Back size is 23" wide and 23" high from the seat. Frame is available in black only. Five-leg base is made of molded plastic and has 2" hooded dual-wheel casters. Chair weighs 45 lb.