Nike ACG Ultrafly Trail Shoe size:10 A patent-pending dynamic vamp adapts

A patent-pending dynamic vamp adapts to foot movements

Runners in Salida

US Women's 10

The problem with traditional PEBA foams is that they pack out over time

sandwiching an H-shaped carbon plate for spring and responsiveness

Nike ACG Ultrafly Trail Shoe size:10 A patent-pending dynamic vamp adaptsNike ACG Ultrafly Trail Trail Racing Shoes Ultralight foam and enhanced grip fuel your trail speed. The Ultrafly Trail takes what you love about the original and refines it, so you can go the distance. The springy ZoomX foam is more responsive and the full length carbon plate is softer for a smooth ride. The outsole helps reduce weight while maintaining enhanced grip as the miles pile up. ZoomX Foam Ultra responsive ZoomX foam midsole delivers Nike's