Wilson Rush Pro 4.0 Men's Tennis Shoes White/Bosphorus/Green : The Wilson Rush Pro 4.0 upgrades dynamic court movement with innovations in the midsole and outsole. An evolution of the Rush Pro 3.5 chassis construction, 4D Support Chassis 2.0 splits the chassis into two pieces for a dual purpose. One piece runs under the foot to enhance support and forward propulsion, while the other runs laterally for stability and control. In the forefoot, Energy Cell features a lightweight EVA foam for energy return and explosive propulsion. Layer in a sleek silhouette, and the Wilson Rush Pro 4.0 takes your game and style to new heights! Shoe Technology Upper: Sensifeel 2.0 Minimally layered upper with an engineered mesh provides enhanced breathability, feel, comfort, and a homogeneous fit. Endofit inner sock construction administers enhanced comfort, stability and an intuitive fit. Medial Rubber Drag Pad overlay in the medial area supplies additional durability and protection when dragging the foot. Midsole: R-DST+ Midsole foam offers the best combination of cushioning and rebound for dynamic performance. 4D Support Chassis 2.0 extends under the foot to provide enhanced support and forward propulsion. Lateral piece runs from heel to toe for ultimate stability and control throughout dynamic movement. OrthoLite EVA Molded foam offers maximum cushioning and impressive longevity. DF2 Heel-toe drop (9 mm) provides the best compromise between comfort and performance. Energy Cell Lightweight EVA foam in the forefoot lends a softer feel for optimal body weight transfer through impact, creating more explosive acceleration. Lower EVA density improves comfort and agility. Outsole: Duralast High-density, consummately durable rubber compound provides abrasion resistance and maximum traction on all surfaces. Reduced rubber thickness on outsole facilitates propulsion.