Alphafly 3 show_alt 45gsm - 100% Nylon

45gsm - 100% Nylon

With upgraded PWRRUN cushioning for better bounce and durability

Fragrance-Free and Dye-Free

Body: 83% polyester/17% spandex

It's comfort over everything in the Ride 16

Alphafly 3 show_alt 45gsm - 100% NylonFine 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