Unisex ACG Ultrafly Trail Women's Trail while our critically acclaimed Vibram®

while our critically acclaimed Vibram® Megagrip outsole delivers superior traction on all surfaces

Compressed rubber outsole for optimized traction

Created for athletes looking for performance

beginner XC runners love the Kilkenny for its reliable fit and cushioned protection while experienced runners appreciate the grip and confidence the lightweight flat gives them to make tight turns in fast races

Heel pull tab

Unisex ACG Ultrafly Trail Women's Trail while our critically acclaimed Vibram®HF5668 Nike 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