UPPER Multi-panel microfiber upper with Alcantara big toe panel for the best custom moulding fit. A high-stretch gusset allows easy entry and the twin strap closure system gives support. INSOLE A cleverly-shaped curved 1mm Flexan insert with support and sensitivity. ACTIVE RANDING The DTS active randing system provides tension in two different strengths on either side of the foot. This torque helps drive power towards the big toe and further enhances the asymmetrical shape. The PAF System is an innovative heel system that helps both spread the force of the heel tension and increase the fit of the heel.SOLE 3.5mm XS Edge full-length sole with added arch support gives stability and top-level edging performance.