The Nike Streakfly 2 is a short-distance training and race shoe with ZoomX race foam and a full carbon Flyplate that is designed for speed. Priced at $180, it competes with shoes like the Hoka Cielo Road ($160) and Adios 9 ($140). Here we will go over 5 things that make the Streakfly 2 a great 1 mile or 5k racing shoe.