K-Swiss Optim Omni Junior Tennis Shoes Leather Rubber sole A tennis shoe designed to provide unrivalled levels of support, comfort and durability for young players Leather upper with branding, stitched 5 Stripe detailing and a reinforced toecap for added durability Compression moulded EVA midsole for excellent cushioning Durable rubber outsole with forefoot flex grooves allow for flexibilty and great ease of movement Raised pimple grip design on the outsole delivers traction and is ideal for use on artificial grass and clay