Ad · NST product assessment

Nike Vaporfly 4

An exact women’s road-racing shoe with a full-length carbon-fibre Flyplate, ZoomX foam and engineered-mesh upper, in the Dark Obsidian/Purple Dynasty/Flash Crimson/Black variant.
Research-basedReviewed by Gabriel SilvaLast verified 20 September 2026Next review due 20 December 2026Report a correction

Product format visualisation · NST studio

Illustrative NST product mockup · not product photography

Decision snapshot

Know the basis before the button.

This summary keeps suitability, evidence status and commercial context above the retailer action so the product link never becomes the whole assessment.

Evidence status

Product facts reviewed

Uses the product identity, specifications and limitations shown on this page; no research or hands-on testing is claimed.

Hands-on testing

Not claimed

NST should only show a tested badge when a repeatable test record exists for the exact product.

Product destination

Affiliate link available

Retailer link checked 19 Sept 2026 and disclosed beside the button.

Review window

Reviewed 20 Sept 2026

Next review: 20 Dec 2026.

Consider it if

Experienced road runners who have a specific race use, can assess fit and loading during training, and understand that individual response to racing shoes varies.

Skip it if

People not racing for time, runners satisfied with current shoes, anyone seeking a durable everyday trainer, or readers with symptoms or injury history requiring individual footwear advice.

Check before buying

NST has not independently tested speed, running economy, fit, stability, injury risk, durability, traction or suitability for any runner.

Why it is included

The NST assessment

This exact current UK model replaces a generic carbon-plated-shoe placeholder so its plate, foam, weight, drop and intended race use can be checked. Inclusion does not promise a faster time.

Assessment basis

This assessment uses the product identity, specifications and limitations reviewed for this exact record. It does not claim hands-on testing unless that testing is stated explicitly on this page.

Who this is for, and who can skip it

May find it useful

Experienced road runners who have a specific race use, can assess fit and loading during training, and understand that individual response to racing shoes varies.

May not need it

People not racing for time, runners satisfied with current shoes, anyone seeking a durable everyday trainer, or readers with symptoms or injury history requiring individual footwear advice.

Advantages and trade-offs

Advantages

  • Nike lists a full-length carbon-fibre Flyplate, ZoomX foam and engineered-mesh upper for style IO9560-400.
  • The manufacturer states approximately 152 g in women’s UK 5.5, a 6 mm heel-to-toe drop and intended road-racing use from 10 km to marathon.

Limitations

  • NST has not independently tested speed, running economy, fit, stability, injury risk, durability, traction or suitability for any runner.
  • Manufacturer phrases about propulsion and energy return are not NST outcome findings and do not guarantee a faster race.
  • The recorded weight is size-specific and other sizes may differ.
  • No price, rating, review count, affiliate link or manufacturer image is recorded.

Alternatives before buying

Race in a familiar conventional shoe, use a different plated model after a fit trial, or keep the current shoe when comfort and training consistency matter more than equipment changes.

Update log

What was checked, and when.

  1. Product facts checked

    19 Sept 2026

    Identity, scope and public product facts should be rechecked before new commercial campaigns.

  2. Editorial review recorded

    20 Sept 2026

    Reviewed by Gabriel Silva. Next review 20 Dec 2026.

  3. Retailer link checked

    19 Sept 2026

    The retailer action is optional, disclosed and separate from the evidence basis.

  4. Search visibility

    Indexable

    This route may be eligible for search discovery if other launch checks pass.

Optional product destinations

Check current product details

Product information can change. Check the current Amazon listing before deciding. Affiliate links are labelled beside the relevant button.

Ad · affiliate link

As an Amazon Associate I earn from qualifying purchases.

View retailer details

Link checked 19/09/2026.

Read the full affiliate disclosure

Product details last checked 19 September 2026.

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