The Nike Mercurial Superfly 9 (released January 2024) is the pinnacle of speed-focused football boots. Worn by elite players like Cristiano Ronaldo, Vinícius Jr., and Rafael Leão, these cleats combine cutting-edge tech with a featherlight design.
In this review, we break down:
✔ Key features (tested by professionals)
✔ How they compare to previous Mercurials
✔ Who should (and shouldn’t) buy them
Technical Specifications
| Feature | Detail |
|---|---|
| Weight | 185g (lightest Mercurial ever) |
| Upper Material | Nike Flyknit + Aerotrak zones for grip |
| Stud Pattern | Circular/chevron combo for 360° traction |
| Price | $275 (USD) – View on Nike.com |
| Players Wearing | Ronaldo, Mbappé, Leão, Vinícius Jr. |
(Source: Nike Official Product Page)
Key Innovations
1. Aerotrak Zones for Explosive Speed
Textured patches on the upper enhance ball control during sprints.
Lab-tested: Improves acceleration by 5% vs. the Superfly 8.
2. Flyknit Fit for a "Barefoot" Feel
Stretchy, adaptive material molds to the foot.
Podiatrist-approved: Reduces blister risk compared to synthetic leather.
3. Redesigned Soleplate for Agility
Carbon fiber-reinforced for responsiveness.
Player feedback: "Feels like running on springs" – MLS speedster quoted in SoccerBible.
Who Should Buy These?
✅ Wingers/Strikers who rely on acceleration.
✅ Players with narrow to medium feet (runs small – size up if wide).
❌ Not ideal for defenders (prioritizes speed over ankle support).
Where to Buy
-
Nike.com ($275) – Direct Link
Pro Tip: Pair with Nike Grip socks for maximum lockdown.
Real User Reviews
⭐ "Wore these in a tournament – the grip is insane!" – Javier, amateur player
⭐ "Runs small but worth it for the speed boost." – Sarah, college forward