Men's Adidas Defiant Speed 2 Sneakers Designed for speed, agility, and competitive court performance, these adidas tennis shoes deliver lightweight comfort with responsive support. The textile and synthetic upper provides breathable durability while the Lightstrike midsole creates a fast, energized feel during movement. An injected TPU heel counter helps lock in the foot for added stability through quick cuts and pivots. Finished with an Adiwear rubber outsole, these shoes are built for dependable traction on tennis, padel, or pickleball courts.