Alphafly 3 Shoe Size:9.5 Ideal Protection for

Ideal Protection for

but our GuideRails™  echnology adds support by keeping excess movement in check

A good choice if your nose sits lower than your pupils

performance engineering and weightless comfort ensure this sweat-wicking race cap won't slow you down

Alphafly 3 Shoe Size:9.5 Ideal Protection forFine 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