The Babolat Propulsion all-court shoe uses a concentrated dose of high-tech power for the very top of the range! Intended for expert players looking for unmatched performance. Exceptionally dynamic response with the special Side 2 Side system in the forefoot. Outstanding foot support thanks to the Lateral Stability System which provides vertical stability and lateral support. Kompressor system heel cushioning is made with EVA cushioning and TPR (Thermo Plastic Rubber) filled tubes inside the rubber to absorb shock when the foot hits the ground. Foot Belt Technology provides instep support, ankle support and heel support while enabling players to enjoy a custom-fit shoe. Cell Shield upper cellular material makes this shoe very durable without losing it's softness. The mesh lining keeps the foot very well ventilated. Michelin Optimized Cell System 2 outsole provides excellent traction and energy transfer. Endorsed and worn by Andy Roddick!