Nike ACG Ultrafly Trail - Men’s Mens New Release becomes coarse and increases your

becomes coarse and increases your chance of blisters

fit & versatility

Improved multidirectional containment and breathability

Adaptive Fit and FabricWhen you're going hard

Data from real runners like you was used to place open holes throughout the fabric

Nike ACG Ultrafly Trail - Men’s Mens New Release becomes coarse and increases yourLightweight speed, grip and energy return, come hell or high water. Nikes newest iteration of ZoomX foam delivers durability, softness and responsiveness made for trail running. The full length carbon fibre plate has reduced stiffness compared to the original Ultrafly. Vibram Megagrip outsole offers exceptional traction on the trail with less weight. Strategically placed lugs add grip for uphill and downhill racing.