Some of the main themes are:
- the $250 price tag
- the ridicolously limited availability, making the few pairs that appear online disappear immediately
- the 4% performance improvement claim, which has recently been shown to be true by a research (independent, but funded by Nike)
But there is now another thing that one of our readers noticed. Read the description of the Vaporfly 4% as appears today (December 7th) on Nike’s website:
Since the Vaporfly is out of stock, Nike suggests to check out the Zoom Fly, which has the same carbon-infused nylon plate.
Hmmm….. that’s not how the shoe was launched:
The shoe as it was launched, and as we tested earlier this year, has a full length carbon plate, which is a significantly more expensive material to produce and should have completely different characteristics and behaviour.
This picture, also courtesy of Nike, illustrates how the sole of the Vaporfly 4% should be:
No doubt there: a full-length super-stiff curved carbon plate – which is NOT like the one in the Zoom Fly.
We don’t know what the story is here: is it simply poor writing on Nike’s website? Maybe they mean that the Zoom Fly has a similar concept plate in its midsole even though they are made of different materials, or has the newer production version of the Vaporfly changed its plate and it’s now a nylon one instead of a full carbon one?
If you have more information, or if somebody from Nike wants to chime in and clarify we’ll be happy to share with you what the situation is.
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