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Racing · Marathon · Track
AlphaFly Z-Engine
Stack Height
40mm / 32mm
Midsole
ZoomX + Pebax Plate
Upper
DynaKnit v4
Weight
198g (M9)
Drop
8mm
Carbon Plate
Full-length
Why it matches your twin
Based on your 54.2 VO₂ Max and 182 spm cadence, the AlphaFly Z-Engine is your optimal racing shoe. The Pebax plate's stiffness is matched to your ground contact time of 185ms.