OP colors are intended to be worn nationwide. Speed Serve is highly rated by top athletes supported by FILA. Shoes Material: Upper: Synthetic fiber + synthetic resin, Midsole: EVA, Outsole: Rubber Sole Features: A new model with excellent cushioning. Integrated collar construction creates a sense of hold on the ankle for greater stability. Specifications: For omni clay coat, Womens last Country of Origin: China.