The Nike ACG Ultrafly (trail running shoe) will release in Spring 2026. Created for off-road enthusiasts, Nike’s most innovative trail model to date launches after more than two years of field testing. Over 30,000+ miles of validation across seven countries and 25 states helped refine the ultra-responsive performance.
The ACG Ultrafly melds Nike’s racing technology with ACG’s trail acumen. The ZoomX midsole and carbon fiber FlyPlate give lightweight propulsion and precision handling, while a Vibram Litebase outsole provides nimble grip on technical surfaces. It’s a formula that aims to give trail runners agility and confidence on uneven terrain.
The upper design features a trail-specific last and mesh construction for breathability and better drainage. That upgrades with longer distance comfort, as ACG athletes like Western States Endurance Run champ Caleb Olson tested prototypes in high-stakes races. Nike ACG footwear director says every aspect from fit to grip was directly influenced by athletes in the field. It’s that real-world authenticity trail runners will feel the moment they lace up.
Its debut “Safety Orange” colorway highlights ACG’s fearless style DNA, with a performance-minded low-cut design. Built for climbs, descents and stream crossings, the Ultrafly is another step in Nike’s mission to reinvent performance footwear on and off the beaten path.
The Nike ACG Ultrafly will be available Spring 2026 at Nike.com and select retailers.
Stay up to date with all upcoming sneaker releases from our Sneaker Release Dates page. Be sure to follow us on Twitter and Instagram.
(prototype version below)
