Nike ACG ZoomX Ultrafly Trainers - Yellow - Red - 6

The Nike ACG ZoomX Ultrafly Trail is a lightweight silhouette designed specifically for technical ...

Best current price£219.00from KICKSCREW

Shoe Size UK
Accent Colour

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KICKSCREWNike Men's Volt Tint/Burgundy Ash/Steam X Acg Zoomx Ultrafly Trail ' ' Hf5668-700
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Product Information

Full details

The Nike ACG ZoomX Ultrafly Trail is designed for adult male trail runners seeking a balance of elite speed and rugged durability on technical terrain. By integrating a full-length carbon plate with responsive ZoomX cushioning, this shoe offers significant energy return for long-distance efforts, though the specialized design may feel overly aggressive for casual walking or non-technical surfaces.

All features

Age Groupadult
ColourYellow
GenderMale
Shoe Size UK6
Accent ColourRed
Shoe TypeTrainers
SeriesACG ZoomX Ultrafly
Model Part NumberHF5668-700-60
BrandNike

Extended Product Information

FAQs

Can I use these for road running?

While technically usable on roads, they are optimized for off-road trails and the carbon plate/outsole geometry performs best on natural surfaces.

How should I clean the mesh upper?

Gently wipe with a damp cloth and mild soap. Avoid machine washing or drying as this can damage the foam and adhesives.

Are these shoes water-resistant?

The premium mesh is designed for breathability. They are not waterproof and may absorb water in heavy rain or deep mud.

What is the purpose of the carbon plate?

The carbon plate adds stiffness and acts as a spring, helping to propel you forward and reduce fatigue during long runs.

Does the sizing run true to size?

The ACG ZoomX Ultrafly is designed for a performance fit; if you prefer extra room in the toe box for swelling during long runs, consider a half-size up.

Troubleshooting

Feeling instability on uneven ground

Ensure the laces are secured using the lockdown eyelets to prevent foot slippage within the shoe.

Outsole losing traction

Check the tread for packed mud or debris; rinse with cool water and let air dry.

Pros and Cons

Pros

  • Exceptional energy return from carbon plate technology
  • Superior multi-surface grip via Vibram outsole
  • Highly responsive and lightweight cushioning
  • Durable mesh construction suitable for harsh trail conditions

Cons

  • Not intended for everyday casual wear
  • The aggressive profile may require an adjustment period
  • Requires specific sizing precision due to the performance fit

Setup, Compatibility & Care

To ensure peak performance, verify your specific UK size for a snug, lockdown fit before your first run. Because these are technical trail shoes, it is recommended to break them in on moderate trails for several miles before attempting ultra-distance events. To maintain the life of the materials, remove dirt and debris from the Vibram outsole after every run using a soft-bristle brush. If the upper gets soaked, remove the insoles and air dry in a cool, well-ventilated space away from direct heat sources to prevent the foam from degrading.

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