FIT: Instant Comfort and Stability Built on Wilson's trusted Rush franchise, the CourtGlide offers a secure, form-fitting feel and breathable comfort straight out of the box. FEEL: Smooth Stability An R-DST midsole cushions every step with a balanced blend of shock absorption and support to keep you comfortable through every rally. FUNCTION: Tennis – All Court / Clay Court A modified herringbone outsole provides reliable traction and natural flexion, so you can move confidently on hard courts, clay courts, and everything in between.