Wilson Kaos Rapide SFT LE Women's Tennis Shoe - Green Ash/Algiers Blue/White, Size 9 US Kaos Chassis enhances the natural foot movement via a flexible arch support for superior agility and a lateral support for increased torsional control and overall stability; Symbiofit features unique knitted upper construction for supreme comfort and additional support Women's Specific Support includes asymmetrical and elongated medial side TPU heel counter specifically for women to provide higher levels of stability, arch support and control; DF2 provides cushioned court feel, yielding compromise between comfort and quick performance (DF2 = HT Drop 9 mm) Rubber Medial Drag Pads supply added durability and protection when dragging the foot; Duralast consists of a high-density, consummately durable rubber compound that provides abrasion resistance and maximum traction on all surfaces R-DST+ offers the best combination of cushioning and rebound for more dynamic performance; Designed for best performance on all court surfaces. Color: green