SPACE Seating EPICC Self Adjusting SpaceFlex Raven Backrest Support and Padded Raven Mesh Seat, 2-to-1 Synchro Tilt Control and Angled Gunmetal Finish Base Managers Chair Self Adjusting SpaceFlex backrest support system with breathable mesh Seat One touch pneumatic Seat Height adjustment Self Adjusting 4 to 1 Synchro tilt Control with 3 position Lock and anti-kick function locking