Women's Alphafly 3 (101 - Coconut Milk/Off Noir-Dusty Amethyst) Waistbelt Optical ExcellenceTrack's lens technology is

Optical ExcellenceTrack's lens technology is truly groundbreaking

engineered to meet the mileage demands of ultrarunners

It has a rechargeable battery and includes a charging cable

taller fit for larger frames than our vesta version

An entry level spike engineered with more cushioning and midsole foam than our elite spikes

Women's Alphafly 3 (101 - Coconut Milk/Off Noir-Dusty Amethyst) Waistbelt Optical ExcellenceTrack's lens technology isWomen's Road Racing Shoes 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. Energy Return for