Executive Black ProGrid?? Back Chair, Breathable Back with Adjustable Lumbar Support, Molded Foam Fabric Seat or your Choice of Custom Fabric, One Touch Pneumatic Seat Height Adjustment, 3 Position 2-to-1 Syncho Tilt Control with Anti-Kickback, Seat Slider and Tilt Tension Control, Height Adjustable Arms with Depth Adjustable PU Pads, Titanium Base and Dual Wheel Carpet Casters