Office chairs offer varying degrees of comfort. Along with all the basic features required for a fully functional office chair the Lifeform® Management Grand Chair includes essential comfort enhancing products such as LIFE-foam™ Memory Foam in the seat, a Seat Slider Mechanism, a Ratchet Back and Height Adjustment with variable control, the Schukra dial-activated Lumbar Support System, and Adjustable Ergo-M Pivoting Memory Foam Arms.