Womens Nike Alphafly 3 Size:US 7.5 This spike is World Athletics

This spike is World Athletics approved

it is the ultimate choice for runners who prefer a direct

but it also allows for breathability

The midsole consists of a precisely-tuned carbon plate sandwiched between layers of PEBA superfoam

Womens Nike Alphafly 3 Size:US 7.5 This spike is World AthleticsMeet the latest Alphafly 3 the third gen game changer that flipped the script on marathon racing. It's dialed in for marathon speed, ready to take you places you never imagined. Three killer techs are on your side: two air zoom units rocketing you into your next move, a full length carbon fiber plate propelling you forward, and heel to toe ZoomX foam for a much smoother transition. soft and stretchy, supporting you multi directionally and is more