Nike Women's Alphafly 3 Vibram Traction is placed in all

Traction is placed in all areas of contact for grip from toe-off to finish

SHRINK RESISTANT - Mohair fibers do not felt and are much more resistant to shrinking than wool

Need a simple solution for running with your best furry friend

8% Spandex

World Athletics approved

Nike Women's Alphafly 3 Vibram Traction is placed in allFine 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 Your MarathonTwo forefoot