When it's time to push harder, the New Balance AC Runner shows up ready to work. Built for the conditioning runs, speed drills, and all-out training sessions that sharpen your game, these shoes fuel every move with power and stability. Fresh Foam X cushioning softens the impact so you can maximize every stride, while the triple-firmness foam responds as you cut, sprint, and drive through your reps. Firm durometer foam rails in the midsole lock in your stability when you change direction or explode into motion. Turn the grind into greatness every time you lace up the New Balance AC Runner. New Balance AC Runner features: