The Steelcase Leap plus chair offers the same benefits, aesthetic appeal and functionality of the leap chair with support for users up to 500 lbs. It is the first chair that actually changes Shape to mimic and support The movement of your spine with it's live back Technology providing a high performance, ergonomic solution for any office or home. The leap chair was developed based on the Finding of four years of research and is a proven technology and a healthier WAY TO sit.