Nike Womens Alphafly 3. Fine-Tuned For Marathon Speed, The Alphafly 3 Helps Push You Beyond What You Thought Possible. Three Innovative Technologies Power Your Run: Engineered To The Exact Specifications Of Championship Athletes, 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. This Product Is Not Eligible For Discount. Style Code: Fd8315-103 The Finer Details. Two Forefoot Air Zoom Units Combine With Zoomx Foam To Store And Return The Energy Back To You, Powering Every Step. A Full-Length Carbon Fiber Plate Delivers A Propulsive Sensation That Helps You Smoothly Transition Through Every Stride And Tackle Turns With Confidence. Fully Connected Zoomx Foam Creates An Ultralight And Cushioned Feel, Helping You Stay Fresh And Comfortable From Mile 1 To 26.2. The Alphafly 3