• Breathable Mesh Back with Adjustable Lumbar Support • Thick Padded Contour Mesh Seat • One Touch Pneumatic Seat Height Adjustment • 2-to-1 Synchro Tilt Control with Adjustable Tilt Tension • Height-Adjustable Arms with Soft PU Pads • Heavy Duty Gunmetal Finish Base with Oversized Dual Wheel Carpet Casters • GREENGUARD Indoor Air Quality Certified®