Adjustable Features:  Seat height, Backrest height, Seat angle, Backrest angle, Seat Tilt Tension Control, Swivel, Armrest height, Armrest width, Armrest angle (360-degree rotation), Lumbar Pump  inflatable backrest; knee-tilt adjustment mechanism (allows a gentle, rocking motion in the free-floating position)

Designed with Performance and aesthetics in mind, the Series 4 Task will provide hours of comfort for you while providing significant visual appeal within the office environment.