K-Swiss Women's Defier RS (White/Pink) Tennis Shoes, Available in Sizes 5 thru 11 Engineered to stand up to the most intense game. The TecTuff high-abrasion toe wrap creates a durable barrier between the court and the foot. The abrasion-resistant DragGuard is placed in the toe and the heel of the Aosta 7.0 rubber outsole. The Defier RS outsole features non-marking and a clay-friendly herringbone tread pattern for multi-surface traction.