Running-Nike Running Alphafly 3 Proto

Fine-Tuned For Marathon Speed, The Alphafly 3 Helps Push You Beyond What You Thought Possible. Three Innovative Technologies Power Your Run: A Double Dose Of Air Zoom Units Helps Launch You Into Your Next Step; A Full-Length Carbon Fiber Plate Helps Propel You Forward With Ease; And A Heel-To-Toe Zoomx Foam Midsole Helps Keep You Fresh From Start To 26.2. Time To Leave Your Old Personal Records In The Dust.