The Nike Streakfly, our lightest running shoe, is also rapide like lightning to take on all your challenges, whether over a short distance, 5 or 10 kilometers. With its low cut and elegant details, it becomes one with your foot, offering total osmosis with the road and leading you towards your new personal best. The full-length ZoomX midsole guarantees lightness and optimum responsiveness. The thickness of the foam is less pronounced than that of the Vaporfly, allowing you to gain in lightness and power. This shoe is so light that it becomes one with your foot, allowing you to beat your speed record in the turns and accelerations of a race thanks to the responsiveness of ZoomX foam. The ultra-fine mesh upper gives you all the support you need for running, while remaining lightweight. Additional forefoot reinforcement provides even more support. The revisited, stylish lacing system is offset to the side with a notched tongue to reduce pressure on the top of the foot. The outsole was developed using data collected from runners. This information was used to target the ideal location for grip, with a pattern in direct contact with the asphalt, based on the impact of your foot on the ground. The result is optimum grip from premier to propulsion, so you're always one step ahead. The partially integrated tongue ensures a secure fit. Rubber outsole for optimum grip.