these loose

Ribbed texture

industry-disrupting CloudTec® cushioning

Warming down-like Primaloft Gold synthetic insulation

Product colour: Auburn / Cream White / Wonder Quartz

ACG ULTRAFLY TRAIL SIZE:8 these looseUltralight 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 highest energy return with a stable feel