Men's Alphafly 3 Running Shoes Laser Orange / Citron Pulse / Volt Ice / Indigo Burst UK Shoe Size:8.5 Sweat-proof construction keeps your phone

Sweat-proof construction keeps your phone secure and dry

9% polyurethane

including non-COROS watches and other Bluetooth-compatible indoor trainers

and upper compared to the Vaporfly 3

Men's Alphafly 3 Running Shoes Laser Orange / Citron Pulse / Volt Ice / Indigo Burst UK Shoe Size:8.5 Sweat-proof construction keeps your phoneNike Alphafly 3 Elite marathon racing engineered for record breaking speed The Nike Alphafly 3 represents the pinnacle of marathon racing technology, refined to help you chase times you once thought impossible. Featuring dual forefoot Air Zoom units, a full length carbon fiber plate, and fully connected ZoomX foam from heel to toe, this elite racing shoe combines three powerful technologies to propel you through 26. 2 miles faster than ever beforenow