NIKE MERCURIAL FLYKNIT ULTRA "BLACK"
NIKE MERCURIAL FLYKNIT ULTRA "BLACK"
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Nike Mercurial Flyknit Ultra FG — "Black"
Stealth mode activated. Released in 2018, the Nike Mercurial Flyknit Ultra "Black" is one of the most exclusive and sought-after Mercurial releases ever created — limited to just 2,500 pairs worldwide in this triple black colourway. The all-black aesthetic is a direct tribute to Nike's internal test and prototype boots, which are traditionally produced in all-black "blackout" colourways to conceal design details during development. Nike honoured this tradition by releasing the Flyknit Ultra in stealth black — a fitting tribute to the innovation process behind football's most advanced footwear.
The triple black is the most coveted colourway in the collection — which also included Metallic Gold, Red, and Blue versions — but none carry the mystique of the blackout. Built with Nike's revolutionary Flyknit construction, the Mercurial Flyknit Ultra delivers an incredibly lightweight, sock-like fit that wraps the foot in adaptive support. The seamless upper provides exceptional touch and responsiveness, and the carbon fibre soleplate provides explosive acceleration. The pinnacle of Nike's speed boot technology from 2018.
Key Features
- Flyknit Upper — Nike's precision-knit construction for a lightweight, seamless, sock-like adaptive fit
- Carbon Fibre Soleplate — Explosive acceleration and multi-directional traction
- Triple Black "Blackout" Colourway — Inspired by Nike's internal test and prototype boot tradition
- Limited to 2,500 Pairs Worldwide — The most coveted colourway in the Flyknit Ultra collection
- Firm Ground (FG) Configuration — Optimised for natural grass surfaces
Condition
✅ Brand New
Details
- Brand: Nike
- Model: Mercurial Flyknit Ultra FG
- Edition: Black — Triple Black — Limited to 2,500 Pairs Worldwide
- Year: 2018
- Surface: Firm Ground (FG)
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All boots are listed in US sizing. Use the chart below to find your size.
| US | UK | EU | CM |
|---|---|---|---|
| 6 | 5 | 38 | 24 |
| 6.5 | 5.5 | 38.5 | 24.5 |
| 7 | 6 | 39 | 25 |
| 7.5 | 6.5 | 40 | 25.5 |
| 8 | 7 | 40.5 | 26 |
| 8.5 | 7.5 | 41 | 26.5 |
| 9 | 8 | 42 | 27 |
| 9.5 | 8.5 | 42.5 | 27.5 |
| 10 | 9 | 43 | 28 |
| 10.5 | 9.5 | 44 | 28.5 |
| 11 | 10 | 44.5 | 29 |
| 11.5 | 10.5 | 45 | 29.5 |
| 12 | 11 | 46 | 30 |
| 13 | 12 | 47 | 31 |
Nike: Generally true to size. Older silos (T90, CTR360) run narrow — go half size up if wide footed.
Adidas Predator (2008–2016): Tend to run half a size large.
Copa Mundial: Leather stretches — if between sizes, go smaller.
Not sure? DM us @thebootroom.au and we'll advise for the specific boot.

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ESTABLISHED IN 2019, WE HAVE SHIPPED TO ATHLETES OF ALL LEVELS IN OVER 65 COUNTRIES. FROM PRO PLAYERS TO AVID BOOT COLLECTORS, WE HAVE SUPPLIED OVER 2500+ PAIRS AROUND THE WORLD & CONCRETED OURSELVES AS AUSTRALIA'S #1 RARE & CLASSIC FOOTBALL BOOT STORE.
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