Men's Alphafly 3 (400 - Glacier Blue/Black-Mint Foam-Green Shock) Size:12.5 and ventilation zones in the

and ventilation zones in the toe provide additional breathability and ultimate comfort

Designed to be more comfortable in vests and packs

Keep your feet clean from debris with a GaiterTrap™ detail for easy use with a Trail Gaiter

knitted rib cuff for snug fit around the wrist and brushed fleece at upper thumb

Style - NS5098

Men's Alphafly 3 (400 - Glacier Blue/Black-Mint Foam-Green Shock) Size:12.5 and ventilation zones in theFine 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. Style FD8311 400