FIT: Tuned for Comfort The more spacious toe box accommodating wider feet, a minimally layered upper and plush insole cushioning are designed to prioritize comfort. FEEL: Powerful Support Full-length chassis provides superior arch support for better control during pivoting motions and generating power. FUNCTION: Tennis - Hard Court / Clay Court All-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. The Rush Pro Ace, the shoe with the most generous fit in the popular Rush Pro line, is the shoe loved by tennis players who prefer comfort on the court. Featuring a 2E fit designed for those with wider feet, this shoe also helps stabilize the foot thanks to its 4D Support Chassis: a symmetrical heel-to-toe frame that limits supination, to help control rotations. Enriched with a layer of Sensifeel on the upper for increased breathability, the Rush Pro Ace offers an attractive blend of comfort, stability, and aesthetics for supreme confidence with every step.