The Nike Zoom AlphaFly Next 3% Prototype Marathon Running Shoes combine cutting-edge technology with elite performance design, ideal for professional marathon runners seeking speed and energy return. The FD8315-014 model delivers unparalleled responsiveness and comfort for long-distance races.
**Key Features**
- Dual Air Zoom units: Provides responsive cushioning for explosive energy return during each stride.
- Full-length ZoomX foam: Extends from heel to toe for lightweight, ultra-responsive cushioning and enhanced energy efficiency.
- Prototype design: Engineered for elite athletes with a focus on aerodynamics and weight reduction.
- Marathon-ready outsole: Durable rubber with strategic traction patterns for optimal grip on various surfaces.
Size Charts
