Nike's fastest marathon racing shoe. The Nike Alphafly combines three groundbreaking technologies to deliver unmatched speed: dual Air Zoom units in the forefoot provide explosive energy return, a full-length carbon fibre Flyplate offers propulsive forward motion, and a thick stack of ultralight ZoomX foam keeps you fresh from start to finish. The breathable Atomknit upper provides a secure, race-ready fit, whilst the continuous midsole ensures smooth transitions at any pace. Built for runners chasing personal bests and proven at world record pace.