The new RS 90 Short Cuff designed for junior racers and women, is the result of Lange's deep understanding foot mechanics, fit, and ski boot behavior. Lange's new, race-developed Dual Core construction supplies incredible energy and flex control for total control through the turn. The new anatomic shell design integrates perfectly with Lange's new thermo-formable Dual 3D liner, delivering unparalleled comfort, precision, and power transmission.