The adidas Barricade Stella McCartney tennis shoe features a new kunan upper technology that provides stability and breathability. adiPRENE® insert adds comfort and shock absorption to avoid impact injuries. adiPRENE®+ insert returns energy into forward movement to make your stride more efficient. TORSION® SYSTEM supports the midfoot while allowing for natural flexibility. Non-marking rubber outsole won't mark floors. adiWEAR®6 gives long-lasting durability in high wear areas of the outsole. miCoach compatible.