Alphafly 3 Width:Regular Increased rubber at the outsole

Increased rubber at the outsole gives traction and durability

The footbed features honu-inspired

We've updated the underfoot cushioning to make it feel more comfortable and energetic

Our Skin Thin™ top panel helps regulate temperature and circulate air throughout the sock

but in the days and months after your conquest

Alphafly 3 Width:Regular Increased rubber at the outsoleFine 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