Meet the P.R.O. CG, a center of gravity tilt-in-space chair designed to be compact and light weight. The P.R.O. CG has been awarded multiple patents for the innovative way the chair tilts. It’s reliably built with meticulous detail in our Freedom Designs manufacturing facility in Simi Valley California (Learn more about Freedom Designs). The P.R.O. CG offers a number of unique features and benefits.