Steelcase Leap Ergonomic Office ChairThe Leap chair by Steelcase provides customizable support, whatever your body shape or style of work. Its their first chair designed with LiveBack technology which allows the back to contour and adapt to mimic and support the natural movement of the spine. Designed with a Natural Glide System, the seat glides back and forth as you recline keeping your posture in check and moving you closer to your worksurface. Leap even includes a lower back firmness