“Leap is a highly ergonomic stool that adjusts to fit your body, so you don’t have to adjust your body to fit the stool.  Thanks to its LiveBack technology, the Leap stool back changes shape to mimic and support the movement of your spine.  and with its simple and intuitive adjustments, it’s easy to adjust your Leap stool to fit you comfortably for the entire day.  Steelcase Leap stool complete features are pneumatic seat-height adjustment, variable back stop, height-width-pivot-depth adjustable arms, black plastic frame, shell, base and arms, adjustable lumbar support, hard casters and fabric.”

Dimensions
Overall: 46-54″ h x 27″ w x 24.75″ d
Seat height: 22″ to 30″
Arm height: 7″ to 11″
Arm width: 13″ to 20″