Breathable Light Air Grid Back with Adjustable Lumbar Support Thick Padded Bonded Leather Seat Pneumatic Seat Height Adjustment 2to1 Synchro Tilt Control with Adjustable Tilt Tension 4Way Adjustable Flip Arms with 3Position Lock & PU Pads Adjustable Headrest Heavy Duty Platinum Coated Base with Black End Caps and Oversized Dual Wheel Carpet CastersBreathable Light Air Grid Back with Adjustable Lumbar SupportThick Padded Bonded Leather SeatPneumatic Seat Height Adjustment2to1 Synchro Tilt Control with Adjustable Tilt Tension4Way Adjustable Flip Arms with 3Position Lock & PU PadsAdjustable HeadrestHeavy Duty Platinum Coated Base with Black End Caps and Oversized Dual Wheel Carpet Casters