Alphafly 3 show_alt Comfortable insoles with long-term resilience

Comfortable insoles with long-term resilience and anti-microbial properties

Super critical foam midsole

fuel – and sometimes gear

attached to the upper on both sides

Alphafly 3 show_alt Comfortable insoles with long-term resilienceFine 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