![]() ![]() Nike lists it as weighing 8.8oz (249g) in a US 10/UK 9, though my two UK 9 shoes actually weighed different amounts at 8.6oz (244g) and 8.9oz (251g). ![]() The Alphafly 2 looks close to the 40mm limit set by World Athletics, while the Vaporfly is a millimetre or two lower. Nike lists both shoes as having an 8mm drop from heel to toe, but doesn’t give official stack heights for them. There is a lot of exposed foam on both shoes, but the key impact zones are covered with rubber to improve grip and durability, though both shoes are clearly designed for road running alone. The two shoes have similar outsoles, with two strips of rubber running in parallel on the outsides of the back of the shoe and rubber covering the forefoot. Nike Air Zoom Alphafly NEXT% 2 (Image credit: Nick Harris-Fry / Future) In the second edition of the Alphafly, Nike has added a sliver of ZoomX foam under the pods, and the shoe also has a wider base than its predecessor to improve stability, especially at the heel. ![]() Both shoes also have a full-length carbon plate running through the midsole. These have a slightly firmer feel than the foam alone, and provide a bit more pop in your toe-off. It has pull tabs on the tongue and a collar to help you get your foot in.īoth shoes use Nike’s PEBA-based ZoomX foam in the midsole, but while the Vaporfly 2 has a full ZoomX midsole, with the foam running all the way through the shoe, the Alphafly 2 adds two Air Zoom pods under the forefoot. I found that both shoes fit me perfectly in my normal size, though the Alphafly 2 is not the easiest shoe to pull on since it has a bootie design rather than a separate tongue. It’s more structured and supportive than the Flyknit used in many Nike shoes, and on the Alphafly 2 the heel is built up to offer greater stability. Nike also updated the upper on the second edition of the Alphafly NEXT% 2, which uses a knit material called Atomknit 2.0. ![]() Nike Air Zoom Vaporfly NEXT% 2 (Image credit: Nick Harris-Fry / Future) ![]()
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