Offering more forefoot support than any other junior tennis shoe in our line, the Wilson Rush Pro Jr. 2.5 melds stability and burst into your game. Featuring 2D-FS technology that provides enhanced support and lateral stability, this shoe will bring renewed energy to your step. SHOE TECHNOLOGY: DURALAST. Exclusive high-density, consummately durable rubber compound that provides excellent abrasion resistance and maximum traction on all surfaces. 2D-FS. Forefoot support delivers enhanced support and responsiveness with lateral stability and control. R-DST. EVA material augments cushioning for comfort and responsiveness. DF2. 9mm heel-to-toe drop. Cushioned court feel provides compromise between comfort and quick performance. Wilson Shoes WRS324010U