Nike also features a long-distance Dragonfly shoe and marathon runners will use the spikeless Alphafly ... track in Paris, every gram of weight, weave or knit of an upper and placement of a spike ...

Atomknit, found in the Alphafly and Nike track spikes, is made by stretching and steaming Flyknit fabric to reduce its weight ...

the Streakfly 2 could also have something absent on the Alphafly and Vaporfly designs: a negative drop, meaning the heel sits lower than the forefoot, as is common on spikes like the Nike Dragonfly.

Nike Alphafly 3 Electric ... Along with road running shoes, there are Nike track spikes, basketball shoes, soccer cleats, and tennis and golf shoes in the collection that will be worn in Paris ...