The ACG Ultrafly Trail is a lightweight trail-racing shoe built around responsive ZoomX foam, a full-length carbon-fiber plate, and Vibram Megagrip traction.

Why We Like It

It combines race-day energy return with a more flexible plate and a water-draining mesh upper, giving fast trail runners a controlled ride across changing terrain.

Best For

Trail racing, long-distance trail runs, wet routes, and less technical to highly technical terrain.

Fit & Ride

• Responsive cushioning with a stable trail feel
• Approx. 287 g in a men’s US 10
• 8.5 mm heel-to-toe drop

Materials & Construction

• Breathable, water-draining mesh upper
• ZoomX foam midsole
• Full-length carbon-fiber plate tuned for trail control

Traction

• Vibram Megagrip outsole
• Designed for durability and grip on wet terrain

Details

• Brand: Nike ACG
• Product: ACG Ultrafly Trail
• Primary Color: Spruce Fog / Sea Glass / Black Spruce
• Material: Mesh upper, ZoomX foam, carbon-fiber plate, rubber outsole
• Gender: Male
• Age Group: Adult
• Season: All Season
• SKU: HF5668-300