The Babolat Women`s Propulse Blast Tennis Shoes are engineered for supportive, comfortable performance. They come with a few key technologies to achieve this, such as Power Straps in the upper and the Kompressor System in the midsole. In all, the Propulse Blast represents a functional, cost-effective member of Babolat`s popular Propulse Family.Colors: Tanager TurquoiseUpper: Synthetic materials and mesh combine for a comfortable, supportive fit. Two Power Straps lock down the midfoot region for ultimate lateral stability.Insole: The lightweight Ortholite insole offers state-of-the-art cushioning, moisture management, and breathability.Midsole: KPRS-X technology features a high-cushioning EVA pad optimized for heel protection on the court. Active Flexion technology addresses 9 key pressure points to maximize responsiveness.Outsole: The Michelin Performance outsole utilizes special DIN 35 rubber studs for greater stability. The outsole also wraps up the toe and medial forefoot for additional protection against toe dragging.