• Self Adjusting SpaceFlex® Backrest Support System in Raven • Thick Padded Vinyl Seat • Pneumatic Seat Height Adjustment • 2-to-1 Synchro Tilt Control with Adjustable Tilt Tension • Height-Adjustable Arms with PU Pads • Heavy Duty Angled Polished Aluminum Finish Base with Oversized Dual Wheel Carpet Casters • GREENGUARD Indoor Air Quality Certified®