Kaos Chassis enhances natural foot movement with flexible arch support for superior agility and lateral support for increased torsional control and overall stability. Endofit provides enhanced comfort, stability, and an intuitive fit through a full inner sock construction. Rubber Medial Drag Pad supplies added durability and protection when dragging the foot. Designed for performance on all court surfaces. Show your quickness on court wearing the Wilson Kaos Swift 1.5 tennis shoe in Black/Phantom/Ch Orange, featuring a lightweight design with the revolutionary Kaos Chassis for added stability during agile movements. The Kaos Chassis features a two-piece design providing arch and lateral-side support, upping comfort and enhancing torsional control for better balance during side-to-side movements. On this updated 1.5 edition, the shoe's Endofit inner sleeve incorporates bidimensional mesh for improved support and ventilation. Duralast rubber on the outsole and drag pads on the medial side increase durability for confident sliding, while RDST+ midsole cushioning propels you into action. DF2 provides cushioned court feel, yielding a compromise between comfort and quick performance with a 9mm heel-to-toe drop.