These ergonomic mesh chairs feature a thickly padded contoured seat in your choice of black mesh fabric or colored mesh fabric, Supportive Breathable Black Mesh Back And Mesh Fabric Seat. Features height and depth adjustable headrest, infinite synchro tilt with tilt tension control), knee tilt control, pneumatic seat height adjustment and a heavy duty nylon base with dual wheel casters. The Black Mesh High Back Office Chair with Headrest is made to wrap your back with ultimate comfort and support.