The Nike ACG Ultrafly Trail in the Baltic Blue / Court Blue colorway is built as an elite distance trail racing shoe. It blends Nike's highest-tier marathon technologies with a rugged build meant for off-road speeds.Midsole & CushioningDual-Density ZoomX Foam: Utilizes full-length, ultra-responsive ZoomX foam for maximal cushion and 85% energy return on hard packed trails.Carbon Fiber Flyplate: Embedded between the foam layers is a split carbon fiber plate. This split design is 30% more flexible than standard plates, offering torsional movement to better stabilize on uneven terrain.