Heidi Burgett on Twitter: "Nike unveils the Nike Air Zoom Mercurial (w/ Flyprint upper), Nike Air Zoom BB NXT (available July 1), Nike Air Zoom Viperfly, and Nike Air Zoom Alphafly NEXT%.
Nike Air Zoom Viperfly — Curated For Runners
Nike Air Zoom Viperfly to test carbon fibre plates - Nuffin' Long TV
Nike shelves Viperfly amid fear it could wipe out Bolt's records
Nike Unveils New Air Zoom & Space Hippie Sneaker | Hypebae
Can Nike's AIR ZOOM VIPERFLY Break Usain Bolt's 100 and 200 Meter World Records? - YouTube
Just Announced: New Nike Running Innovation to hit Tokyo 2020 Olympics - Sneaker Freaker
Nike Alphafly Sneakers Will Also Avoid Olympic Ban - WSJ
Concepts on Twitter: "The @nike Air Zoom Alphafly Next% is a racing shoe for the future of fast. It features two forefoot Zoom Air pods, ZoomX foam and a full-length carbon-fiber plate,