The RAPTOR 100 men's and tennis shoe embodies the natural evolution of the successful Lotto sports shoes, maintaining the main features of the past such as support and stability, but improving lightness and comfort. The upper is developed with a double ultra-thin polyester mesh guarantees lightness, breathability and stability. Kurim support, placed on specific areas, provides high wear resistance. The sole has been completely renewed with the introduction of the new pulse system. Innovative new midsole technology provides extra energy return and extra cushioning. In addition, the particular design improves the comfort and flexibility of access. CLY - CLAY SOLE: Designed for clay courts. It's treaded continuos surface is developed to generate optimal grip on softer grounds.