Designed by Giancarlo Piretti, InFlex includes state-of-the art, flex-back support, top-line and bottom-line affordability. when it comes to natural back support and a flex-back motion design, InFlex is truely "ergonomics evolved." When a user reclines, stacked discs and steel-spring rods respond immediately, working in unison, just like your own back, to offer personalized support for every body, every time.