A proven favorite, the Marathon was designed to provide the ultimate contour fit with integrated lumbar and thoracic spinal support, and extensive personal adjustments. Built 2 Last's flagship multipurpose chair has been specifically engineered to support virtually all users between the 5th and 95th percentiles. Classic stitching details complement the choice of six available seat sizes, with High Resiliency or Energy Absorbing foam options. The same care to stitching is applied to the sculpted back, which is available in two sizes.