Speed · FG
Nike Mercurial Vapor Flyknit Ultra
A synthetic speed boot: narrow forefoot, low, tapered toe box, locked-down midfoot wrap and a deep, secure heel.
Do the Nike Mercurial Vapor Flyknit Ultra run true to size?
The Nike Mercurial Vapor Flyknit Ultra fits true to size — take your usual size.
Sizing
This model fits true to size.
What’s your toe shape?
Tap the closest one to see how the Nike Mercurial Vapor Flyknit Ultra fits it.
Fit at a glance
- Brand
- Nike
- Model year
- 2018
- Type
- Speed
- Surfaces
- FG
- Material
- Flyknit synthetic
- Sizing
- True to size
- Forefoot width
- Narrow
- Toe box
- Low tapered
- Midfoot wrap
- Locked
- Heel lockdown
- Deep secure
- Arch support
- Neutral, Arched
- Weight
- ~170 g (US 9)
Tends to suit
- Narrow foot
- Low toe volume
- Egyptian
- Greek
- Secure heel
Watch-outs
- Wide forefoot
- High toe volume
- Pinky toe pressure
- High midfoot volume
The fit, explained
The low, tapered toe box rewards Egyptian/Greek shapes but can crowd wide or high-volume forefeet. The synthetic upper keeps its shape, so any early pressure won't ease much.
A classic reference point — best for narrow to average-width feet that want a locked-down, speed feel.
Break-in: Minimal break-in; the synthetic upper holds its shape and won't relax much with wear.
Nike Mercurial Vapor Flyknit Ultra — common questions
- Are the Nike Mercurial Vapor Flyknit Ultra good for wide feet?
- Not ideally. The Nike Mercurial Vapor Flyknit Ultra is cut narrow through the forefoot and suits slim to average feet best. Wide feet are likely to feel pressure across the ball.
- Do the Nike Mercurial Vapor Flyknit Ultra need breaking in?
- The Nike Mercurial Vapor Flyknit Ultra holds its shape. The upper gives little with wear, so how it feels on day one is close to how it will keep feeling — fit it correctly from the start.
- Who do the Nike Mercurial Vapor Flyknit Ultra suit best?
- The Nike Mercurial Vapor Flyknit Ultra suits feet wanting a narrow forefoot, low tapered toe box, locked midfoot wrap, deep secure heel. Speed boot on FG.
Fit characteristics are modeled from BootShapes’s boot data and are a guide, not a guarantee. For a personalized match, build your foot profile and overlay this boot on your own model.
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