FuelCell foam provides a boost in propulsion, driving you forward. The NDure upper technology enhances durability. Fit Weave Lite maintains its shape, offering targeted stretch and support without adding extra weight. Energy Arc incorporates advanced carbon fiber plate geometry and strategically placed midsole voids to store and release energy, resulting in a significant amount of energy returned. The full-length Ndurance outsole ensures superior traction and durability, prolonging the lifespan of the shoe.