The Crazy Explosive Primeknit is built for the game's most explosive players. The game continues to evolve, and today's players are bigger, faster, stronger, and more athletic than ever before. To fully utilize your athleticism, you need a shoe that is explosive as you are. That's where the Crazy Explosive comes in. The Primeknit upper offers a breathable and flexible fit to keep you comfortable and locked-in, while Boost cushioning provides energy-returning comfort that keeps every step charged with light and fast responsiveness.