adidas adizero Defiant Bounce Men's Tennis Shoes Ash Grey/Light Granite : The adidas Adizero Defiant Bounce gives tennis players a light, responsive, and stylish court shoe for looking and performing well on the court. This shoe features a trendy silhouette and the energized BOUNCE technology in the midsole for feedback while you play. ADIWEAR(TM) 6 protection on the outsole provides excellent grip during quick movements between rallies. Upper: Knit upper naturally expands and moves with your foot, enhancing comfort, support, and performance. ADITUFF(TM) strategically placed TPU material in the toe area and medial side provides long-lasting durability for the extreme abrasion that occurs during tennis movements. Midsole: BOUNCE technology provides energized and long lasting comfort and cushioning for long days on court. Outsole: ADIWEAR(TM) 6 extremely durable outsole rubber provides secure grip in all direction for abrasive courts.