Developed over 13 rounds of testing encompassing more than 30,000 miles, the Nike ACG Ultrafly isn’t just tuned for the trail. It was built in the dirt, forged by every brutal mile, and is engineered for optimal performance and agility in the most demanding conditions.
The ACG Ultrafly is designed for the athlete who chooses wild. Pulling from decades of Nike ACG DNA, the silhouette is light, fast and speaks trail fluently.
The ACG Ultrafly is powered by Nike’s industry-leading ZoomX foam, a carbon fiber FlyPlate and a Vibram Litebase outsole that work together to enable phenomenal propulsion, a responsive ride, next-level control and superior grip on all terrain.
A redesigned upper and trail-specific last with an accommodating forefoot anchor an improved fit that provides consistent comfort over countless miles.
