The Nike Vapor Court was created for the tennis player that values lightweight and prefers a natural motion ride. It features a split leather upper for a supple fit and feel and uses synthetic leather in the higher wear areas for added durability. The midsole was designed with natural motion principles for a greater range of foot motion while. The unit sole foam delivers lightweight durability and is used in low wear areas to reduce weight. The Nike GDR rubber in the outsole is used in the areas of highest wear for excellent durability. Wt. 11.3 oz.