Alphafly 3 Shoe Size:9 This version has two straps

This version has two straps featuring the modern and functional BIRKENSTOCK stealth buckle

Two grab handles on top make it convenient to open and provide a balanced carry so it doesn’t swing into your side when you’re walking

plus the stable base you need for weights

Received the Seal of Acceptance from the American Podiatric Medical Association (APMA)

Classic Style and ComfortA crew neckline adds a classic

Alphafly 3 Shoe Size:9 This version has two strapsFine 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. Product Details: Energy Return for Your