Wilson Rush Pro Ace Men's Tennis Shoes Black/China Blue/White : Featuring the most generous fit in the series, the Wilson Rush Pro Ace earns high praise from tennis players who prioritize comfort. Known for its 2E fit to accommodate wider feet, this tennis shoe stabilizes the foot through a 4D Support Chassis that limits supination to help control pivot movements. Layered with Sensifeel on the upper for additional breathability, the Wilson Rush Pro Ace delivers an appealing blend of comfort, stability and style for supreme confidence with every step. Shoe Technology 4D Support Chassis Technology: Asymmetrical heel-to-toe chassis delivers enhanced stability and limits supination for more controlled pivot movements while setting up for powerful strokes. Sensifeel Minimally layered upper construction upgrades comfort while maintaining superior support. Medial Rubber Drag Pad: Rubber overlay in the medial area supplies additional durability and protection when dragging the foot. OrthoLite EVA Molded foam offers maximum cushioning and impressive longevity. DF2 Heel-toe drop (9 mm) provides best compromise between comfort and performance. Duralast High-density, consummately durable rubber compound provides abrasion resistance and maximum traction on all surfaces. R-DST+ Midsole foam offers the best combination of cushioning and rebound for dynamic performance. Wide Fit (2E) construction accommodates wider foot for more comfortable fit Designed for best performance on all court surfaces