Design: Sensifeel 2.0 minimally layered upper with an engineered mesh provides enhanced breathability, feel, comfort, and a homogeneous fit 4D Support Chassis 2.0: provides enhanced support and forward propulsion for powerful movers Rubber overlay in the medial area supplies additional durability and protection when dragging the foot Endofit full inner sock construction administers enhanced comfort, stability and an intuitive fit In-Shoe Comfort: High-density OrthoLite foam offers maximum cushioning and impressive longevity Energy Cell lightweight EVA foam in forefoot of midsole lends softer feel for optimal transfer of body weight through impact, creating more explosive acceleration R-DST+ midsole foam offers the best combination of cushioning and rebound for dynamic performance Composition technologies enhance explosive acceleration with lightweight foam, cushioning, and mesh Durability & Traction: Duralast high-density, consummately durable rubber compound provides abrasion resistance and maximum traction on all surfaces Additional Details: Heel-toe drop (9 mm) provides best compromise between comfort and performance Ideal Playing Surface: All Court Surfaces