Wilson Rush Pro Ace Sn99. FIT: Tuned for ComfortThe more spacious toe box accommodating wider feet, a minimally layered upper and plush insole cushioning are designed to prioritize comfort. FEEL: Powerful SupportFull-length chassis provides superior arch support for better control during pivoting motions and generating power. FUNCTION: Tennis - Hard Court / Clay CourtAll-court performance for players who want more comfort for quick lateral cuts. Generous Fit: Accommodates players with wider feet for a more comfortable fit and feel. 4D Support Chassis: Provides superior stability to help control pivot movements. Composition: Technologies enhance comfort and support with breathable mesh and additional cushioning. Ideal Playing Surface: All Court Surfaces The R-DST+ offers the optimum combination of cushioning and rebound for better dynamic performance.