Nike ACG Ultrafly Trail Black

In plain black, the ACG Ultrafly Trail looks restrained for a shoe built around mountain racing. The upper is thin and closely wrapped, the midfoot is locked down hard, and the outsole uses widely spaced lugs that clear mud instead of packing it. On rock slabs and dry scree the rubber stays quiet and predictable, which matters when the line keeps changing.

This is the shoe for long climbs, exposed ridgelines and descents where precise footing counts more than plush cushioning. It rewards runners who already spend time on technical ground and want feedback from the surface. The black upper also hides peat and trail dirt well, so repeated outings in poor conditions do not leave it looking worn out.

Good to know

• Fits close and true to size; narrow feet suit it best, wider feet should add half a size.
• Brand new, shipped in its original box.
• Questions before you order? We reply within 24 hours.