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: Clay Court Surfaces. The R-DST+ offers the optimum combination of cushioning and rebound for better dynamic performance. The Rush Pro Ace Clay, the shoe with the most generous fit of the popular Rush Pro line, is the shoe loved by tennis players who prefer comfort on the court. Characterized by its 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 chassis that limits pronation, 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.