Breathable Mesh Back, with Built-In Lumbar Support, Thick Padded Custom Fabric Seat, Pneumatic Seat Height Adjustment, 2-to-1 Synchro Tilt Control with Adjustable Tilt Tension, Height Adjustable Angled Arms with Soft PU Pads, Heavy Duty Angled Nylon Base, with Oversized Dual Wheel Carpet Casters, This product has achieved GREENGUARD certification
