This Premium Pelical Mesh chair virtually does it all:
-3″ Tractor Style Molded Foam Seat
-Seat Height Adjustment
-Seat Depth Adjustment
-Ratchet Back Height Adjustment
-Independent Lumbar Pillow Adjustment
-Adjustable Height and Width T-Arms
-Swivel Tilt, Tilt Lock, Tilt Tension Control
-Optional Swivel and Height Adjustment Head Rest
-Negative Seat Tilt (Relieves Thigh Pressure)