Engineered for marathon performance, this design features three innovative technologies to enhance speed. Double Air Zoom units combine with a full-length carbon fibre plate to provide a propulsive feel, while the ZoomX foam midsole offers responsiveness. 2 forefoot zoom air units zoomx foam midsole full-length carbon fibre flyplate atomknit upper wider carbon fibre flyplate integrated knit tongue with lofted padding 8mm heel-to-toe drop runs small, recommend sizing up Size: 7. Gender: Female. Material:Other fibres/Foam/Carbon Fibre. Colour: white