Once you take a few strides in the Nike Air Zoom Alphafly NEXT% 2, you’ll never look at your favorite pair of old racing shoes the same way again. These rocket ships are made to help shave precious time off your personal records without surrendering the foundation you need to go the full distance. A thick, lightweight support system marries the 2 worlds of comfort and speed in holy running matrimony. Enjoy the greatest energy return of all our racing shoes while you chase your personal bests.
- Shown: Total Orange/Bright Crimson/Ghost Green/Black
- Style: DN3555-800
Find out which size you are across different countries with our handy conversion guide. It’s best to use this as a rule of thumb, since sizes and measurements can vary from brand to brand.
Men Size Guide
US Men | EU | UK | CM |
6 | 38.5 | 5.5 | 24 |
6.5 | 39 | 6 | 24.5 |
7 | 40 | 6 | 25 |
7.5 | 40.5 | 6.5 | 25.5 |
8 | 41 | 7 | 26 |
8.5 | 42 | 7.5 | 26.5 |
9 | 42.5 | 8 | 27 |
9.5 | 43 | 8.5 | 27.5 |
10 | 44 | 9 | 28 |
10.5 | 44.5 | 9.5 | 28.5 |
11 | 45 | 10 | 29 |
11.5 | 45.5 | 10.5 | 29.5 |
12 | 46 | 11 | 30 |
12.5 | 47 | 11.5 | 30.5 |
13 | 47.5 | 12 | 31 |
WOMEN SIZE GUIDE
US Women | EU | UK | CM |
5 | 35.5 | 2.5 | 22 |
5.5 | 36 | 3 | 22.5 |
6 | 36.5 | 3.5 | 23 |
6.5 | 37.5 | 4 | 23.5 |
7 | 38 | 4.5 | 24 |
7.5 | 38.5 | 5 | 24.5 |
8 | 39 | 5.5 | 25 |
8.5 | 40 | 6 | 25.5 |
9 | 40.5 | 6.5 | 26 |
9.5 | 41 | 7 | 26.5 |
10 | 42 | 7.5 | 27 |
10.5 | 42.5 | 8 | 27.5 |
11 | 43 | 8.5 | 28 |
11.5 | 44 | 9 | 28.5 |
12 | 44.5 | 9.5 | 29 |
Youth's Size Guide
US Youths | EU | UK | CM |
3.5 | 35.5 | 3 | 22.5 |
4 | 36 | 3.5 | 23 |
4.5 | 36.5 | 4 | 23.5 |
5 | 37.5 | 4.5 | 23.5 |
5.5 | 38 | 5 | 24 |
6 | 38.5 | 5.5 | 24 |
6.5 | 39 | 6 | 24.5 |
7 | 40 | 6 | 25 |