Nike Alphafly 4 Launches with Major Upgrades — image accompanying Believe in the Run's report. Image accompanying Believe in the Run’s report; reduced and presented for news commentary with the attributed report. View the complete source report.
Nike has unveiled the Alphafly 4, a significant upgrade from its predecessor. The new shoe boasts a refined upper, improved outsole, and visible Air Zoom units. The midsole now uses a lighter ZoomX LT foam, offering better energy return.
Despite the external similarities to the Alphafly 3, the Alphafly 4 introduces several key changes. The upper is more sock-like, the outsole provides better traction, and the ZoomX LT foam is lighter. The carbon fiber Flyplate remains unchanged, preserving its performance. Read more gear coverage.
The Alphafly 4 will be available in limited quantities on September 17, 2026, with broader availability on October 29. Runners are advised to prepare early for the launch, as the initial stock is expected to be limited. Related: ON Unveils Innovative LightSpray Cloudboom Strike 2 Marathon Shoe.
This original Runner World brief is based on reporting from Believe in the Run. Visit the source for its complete reporting, context and any later corrections.
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What should runners know about Nike Alphafly 4 Launches with Major Upgrades?
Nike introduces the Alphafly 4, featuring new materials and design improvements. Nike has unveiled the Alphafly 4, a significant upgrade from its predecessor. The new shoe boasts a refined upper, improved outsole, and visible Air Zoom units. The midsole now uses a lighter ZoomX LT foam, offering better energy return.
When did Runner World publish this gear brief?
Runner World published this brief on September 17, 2026. The underlying Believe in the Run report was dated September 17, 2026.
Where can readers find the complete original report?
This summary is based on reporting from Believe in the Run. The attributed source link in the article leads to the publisher’s complete report.
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