| Unit | Sizes | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| US & Canada | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 13 | 14 | 15 | 16 |
| UK | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12.5 | 13.5 | 14.5 | 15.5 |
| Europe | 39 | 39 | 40 | 40-41 | 41 | 41-42 | 42 | 42-43 | 43 | 43-44 | 44 | 44-45 | 45 | 46 | 47 | 48 | 49 |
| Inches | 9.3 | 9.5 | 9.6 | 9.8 | 9.9 | 10.1 | 10.3 | 10.4 | 10.6 | 10.8 | 10.9 | 11.1 | 11.3 | 11.6 | 11.9 | 12.2 | 12.5 |
| Centimeters | 23.5 | 24.1 | 24.4 | 24.8 | 25.4 | 25.7 | 26 | 26.7 | 27 | 27.3 | 27.9 | 28.3 | 28.6 | 29.4 | 30.2 | 31 | 31.8 |
Slip in to experience what can't be explained. A stealthy upper wraps the foot in flexible comfort. The heel clip wraps the Boost midsole for the ultimate squish. ZX 2K Boost brings squishy comfort to every step no matter how far you go.