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: Long days that move from workouts to everyday plans call for comfort that feels soft, stable, and easy to wear. The New Balance AC Runner blends running-inspired cushioning with a streamlined look, helping you stay ready for training sessions, errands, and casual wear without missing a step. Size & Fit Guidance For the best fit, we recommend going with your usual size. Most reviewers say the fit feels true to size with a secure, close-to-foot feel, while shoppers who prefer a roomier forefoot may want to keep the streamlined shape in mind. Best For Best for gym sessions, warmups, light runs, and everyday wear when you want all-day comfort with athletic style. Styling & Versatility Reviewers like how easily this pair moves between training and daily wear, with a sleek profile that earns compliments and works across a range of casual outfits. The sporty build and sculpted sole give it a modern look that still feels practical for long hours on your feet. Break-In & Durability Many reviewers say the AC Runner feels comfortable right away, while some note it gets even better after the first few wears as the upper and cushioning settle in. Feedback also points to solid durability for regular gym use, warmups, and everyday rotation.