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