Nike Zoom Fly Flyknit Ladies Running Shoes. Full length carbon-fibre plate (as used in the Vaporfly 4%) propels you forward, with React foam for smooth cushioningContour hugging Flyknit upper has fusible yarns to create zones of structure and support, not compromising weight.Features:Flyknit upperFusible yarnsFull length carbon-fibre plateNike React CushioningDifferent shaped traction pattern for stability and propulsion