Vaporfly 4 Jakob I.

Key Performance Features

• Full-Length Carbon Flyplate
  Offers a propulsive feel and responsive snap, designed to help you power through every stride on race day.

• Upgraded ZoomX Foam
  ’s most responsive cushioning now feels even faster—running heel to toe for smooth transitions and enhanced energy return thanks to a refined midsole shape.

• Engineered Mesh Upper
  Lightweight and breathable with a barely-there feel, offering a more consistent, secure fit while reducing overall weight.

• What’s New in This Version:

  • Lighter materials in the upper, midsole, and outsole

  • Higher plate angle for an even more dynamic toe-off

  • Lower heel-to-toe drop for a faster ground feel and smoother ride