Adidas Ambition Logo VI Tennis Shoes Full Grain Leather Upper - Provide great comfort, support and durability. EVA Insole - For added comfort when hitting the ground at speed. Injected EVA - In the midsole, designed for long term lightweight cushioning. Non-Marking Rubber Outsole - Minimising damage to the court surface. Mesh collar - Providing breathability and keeping your foot cool and dry.