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Highly Rated
Nike ACG Ultrafly Trail-Racing Shoes - Black/Photon Dust/Photon Dust

Nike ACG Ultrafly Trail

Trail-Racing Shoes

Black/Photon Dust/Photon Dust
Hyper Crimson/Total Orange/Vivid Purple/White
Volt Tint/Steam/Sea Glass/Burgundy Ash
Baltic Blue/Court Blue
Light Crimson/Summit White/Summit White/Pure Platinum
Sail/White/Safety Orange/Black
Select SizeSize Guide

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  • Colour Shown: Black/Photon Dust/Photon Dust
  • Style: HF5668-001

Nike ACG Ultrafly Trail

Ultralight foam and enhanced grip fuel your trail speed.

The Ultrafly Trail takes what you love about the original and refines it, so you can go the distance. The springy ZoomX foam is more responsive and the full-length carbon plate is softer for a smooth ride. The outsole helps reduce weight while maintaining enhanced grip as the miles pile up.

ZoomX foam

Ultra-responsive ZoomX foam midsole delivers Nike's highest energy return with a stable feel for the trail. The foam is 'unwrapped' in the heel for even better responsiveness.

Breathable Mesh Upper

Don't worry about puddles or streams—the upper is made for water drainage. It's also lightweight, durable and breathable.

More flexibility

Tackle technical terrain with the full-length carbon-fibre plate. We reduced the stiffness compared to the original Ultrafly for better control on the trails.

Enhanced grip

Go the distance with Vibram® Megagrip outsole. It's designed to give you durability and enhanced grip on wet terrain.

Product Details

  • Weight: approx. 287g (men's UK 9)
  • Heel-to-toe drop: 8.5mm
  • Colour Shown: Black/Photon Dust/Photon Dust
  • Style: HF5668-001

Delivery & Returns

Standard delivery costs 85 kr for non-Nike Members and Nike Members under 550 kr.

Free 30‑day returns, some exclusions apply.

Reviews (31)

4.6 stars

  • andersq943449945

    Sprang 64 km teknisk terräng i helgen( nästan direkt ur boxen). Skon passade både terräng och mina fötter bra. Mjuka och sköna samt lite bredare tåbox.

  • carson796090627

    I love the new color iv been waiting for one that is actually red for a long time. my favorite color is red and I just did not like when they made one orange and called it hyper crimson.

  • The shoes are spectacular

    TerryS923911156

    These shoes are phenomenal. It took a little break in period but they absolutely sing. I’ve done multiple trail races including a 50k in them. I have over 280 miles on them and they still have pop and feel bouncy and fresh. The toe box is a perfect width. The stability (compared to the ACG zegama) is a little worse, but nothing to be concerned about. They are fast and have held up extremely well.

Lightweight speed, grip and energy return, come hell or high water.

Engineered for

Trail running

Terrain

Less to Highly Technical

Cushioning

Responsive

Shoe Weight

Approx. 287g (Men's Size 9)

Heel-to-Toe Drop

8.5mm

Tech Specs

Shoe Weight

Approx. 287g (Men's Size 9)

Heel-to-Toe Drop

8.5mm

Powered By

ZoomX Foam, Carbon-Fibre Flyplate & Vibram® Megagrip

What's New?

    • Our 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.
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Caleb Olson

"It's been my go-to, do-it-all racing shoe that has put me on top of the podium at some of my biggest races".

Caleb Olson

2025 Western States Champion

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