adidas adizero Defiant Bounce 2 Men's Tennis Shoes Gray/Gray/Gray : The new adidas Adizero Defiant Bounce 2 tennis shoes are back, offering street-inspired style made for the tennis court. The sleek, yet supportive upper provides a comfortable feel and attractive silhouette. Responsive midsole cushioning adds impact protection for hours of gameplay. ADIWEAR(TM) outsole protection provides excellent grip during quick movements between rallies. Upper: The textile upper with abrasion-resistant TPU foil material in 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) extremely durable outsole rubber provides secure grip in all directions for abrasive courts.