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From quick lunchtime miles to your next 10K, the Ultraboost is a responsive ride for city runners. These adidas by Stella McCartney shoes infuse extra style into the race-day favorite, perfect for those days when a morning run turns into breakfast with your workout partner. The adidas PRIMEKNIT upper is engineered with mesh inserts for a breezy feel. It's set on our lightest BOOST ever for even more energy return with every step.
Training/gym
Running
Breathable design| EU | Foot length (cm) | USA | UK |
|---|---|---|---|
| 35 | 22 cm | 5 | 2.5 |
| 35.5 | 22.5 cm | 5.5 | 3 |
| 36 | 23 cm | 6 | 3.5 |
| 37 | 23.5 cm | 6.5 | 4 |
| 37.5 | 24 cm | 7 | 4.5 |
| 38 | 24.5 cm | 7.5 | 5 |
| 38.5 | 25 cm | 8 | 5.5 |
| 39 | 25.5 cm | 8.5 | 6 |
| 40 | 26 cm | 9 | 6.5 |
| 40.5 | 26.5 cm | 9.5 | 7 |
| 41 | 27 cm | 10 | 7.5 |
| 42 | 27.5 cm | 10.5 | 8 |
| 42.5 | 28 cm | 11 | 8.5 |
| 44 | 29 cm | 11.5 | 9.5 |
