Now tennis players have access to their own energy boost with the response and efficiency of adidas Energy Boost tennis shoes. Experience the power of full-length boost™ that delivers maximum energy return and comfort that runners have come to depend on now for the court. With 360° of breathability in the upper, your feet will feel refreshed and empowered.Upper: ADITUFF™ supportive upper material provides long-lasting durability for the extreme abrasion of tennis movements. Engineered mesh in flex area offers breathable flexibility. Zonal applied TPU foils offer lightweight support. Integrated tongue with bootie construction provides a secure fit. TPU 3-stripes for maximum midfoot support. Midsole: Expanded TPU capsules make up the distinctive midsole. boost™ stores and unleashes energy more efficiently in every stride or jump. Lightweight molded midfoot support allows the forefoot and rearfoot to move naturally for better agility and control.Outsole: Extremely durable outsole rubber ideal for use on abrasive courts, providing secure grip in all directions.