The K-Swiss Big Shot 3 Tennis shoes are engineered for support and traction on the court. Aosta 7.0 high abrasion rubber in the outsole is strong and durable. A K-EVA midsole provides supportive, responsive cushioning, enhanced by a 360 degree plantar chassis. A synthetic leather and mesh upper features a Flow Cool system to enhance ventilation throughout. Durawrap toe protection prevents drag.. Material: Textile & Synthetic Upper/Synthetic Sole