The Luna 90 is targeted toward advanced skiers. The Luna 90 design incorporates many of the structural and performance features of the popular Krypton construction and adds a sturdy and precise Ski/Hike cuff lock for supreme versatility. The Luna's 3-Piece design provides responsive and consistent flex with excellent lateral and reward control. Contour 4 Drive & Control Technology offers a close rearfoot fit for performance and control while providing a spacious and comfortable 103 mm toe box. Center Balanced "Rocker" Stance allows skiers to take full advantage of their equipment by centering their body mass over the sweet spot of their skis for more power and control with less effort. Available with TRUFIT ThermoLast fit system heat moldable innerboots.