Model: 21437403
| UK | US | EU | CM |
| 2.5 | 5 | 35 | 22.1 |
| 3 | 5.5 | 35 ½ | 22.5 |
| 3.5 | 6 | 36 | 22.9 |
| 4 | 6.5 | 36 2/3 | 23.3 |
| 4.5 | 7 | 37 1/3 | 23.8 |
| 5 | 7.5 | 38 | 24.2 |
| 5.5 | 8 | 2/3 38 | 24.6 |
| 6 | 8.5 | 39 1/3 | 25 |
| 6.5 | 9 | 40 | 25.5 |
| 7 | 9.5 | 40 2/3 | 25.9 |
| 7.5 | 10 | 41 2/3 | 26.3 |
| 8 | 10.5 | 42 | 26.7 |
| 8.5 | 11 | 42 2/3 | 27.1 |
| 9 | 11.5 | 43 1/3 | 27.6 |
| 9.5 | 12 | 44 | 28 |
Engineered for performance across a number of distances thanks to a seamless knit upper.
K.E.R.S midsole, brings up to 20% more energy return to the than the standard midsole.
