Alphafly 3 Size:10 Materials: 88% Polyester 12% Spandex

Materials: 88% Polyester 12% Spandex Pro stretch

All fabrics have HeiQ® Pure odor control and a wicking finish

Lightweight polyknit material

on your back or chest or simply remove the straps and hold it in your hand or toss it in a larger purse or tote bag

Alphafly 3 Size:10 Materials: 88% Polyester 12% SpandexFine 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 Marathon Two