Nike Air Zoom Alphafly NEXT% 3 Men's Road Racing Shoes – Laser Orange/Indigo Burst-Citron Pulse Size:8.5 The amino acid beta-alanine helps

The amino acid beta-alanine helps promote formation of the intramuscular buffer carnosine

Cadence: Versatile across easy and moderate paces

or recovery miles

How it works: Injecting nitrogen into the foam during production creates a lighter

Added Vitamin C

Nike Air Zoom Alphafly NEXT% 3 Men's Road Racing Shoes – Laser Orange/Indigo Burst-Citron Pulse Size:8.5 The amino acid beta-alanine helpsNike's Fastest Marathon Racing Shoe Built to Chase Personal Bests The Nike Air Zoom Alphafly NEXT% 3 Men's is Nike's pinnacle road racing shoe, engineered for runners who demand maximum speed over half marathon and marathon distances. Combining ZoomX foam, dual Air Zoom units and a full length carbon fibre Flyplate, the Alphafly 3 delivers extraordinary energy return, smooth transitions and explosive propulsion from start to finish. Lighter than