Choosing sneakers Y-3: models, sizes and differences
We present an essential Y-3 size guide to help you buy your pair of shoes with confidence. Before buying a pair, it's important to know the differences between models, as They really fit and Choose size to avoid mistakes, especially when shopping online.
In this guide we explain everything you need to know to choose the right Y-3 shoes.









How do the shoes fit? Y-3?
In general, the Y-3 shoes normal size, But there are nuances depending on the model:
- Technical models or sports silhouette
(Ultraboost, Runner, Takumi, Adizero):
👉 True to size. - Lifestyle or stylized last models
(Taekwondo Mei, Stan Smith Y-3, Nice):
👉 Slightly tighter fit.
If you are between two sizes, better to go up half a size. - Special capsule models
(Y-3 × NEIGHBORHOOD, SFTM):
👉 They maintain the standard size, but the fit may be firmer depending on the materials.
Size guide Y-3 (UK / Europe)
Below, we leave you the size equivalence most used in Y-3 for sneakers:
| EU (Germany / France) | UK |
|---|---|
| 36 2/3 | 4 |
| 37 1/3 | 4.5 |
| 38 | 5 |
| 38 2/3 | 5.5 |
| 39 1/3 | 6 |
| 40 | 6.5 |
| 40 2/3 | 7 |
| 41 1/3 | 7.5 |
| 42 | 8 |
| 42 2/3 | 8.5 |
| 43 1/3 | 9 |
| 44 | 9.5 |
| 44 2/3 | 10 |
| 45 1/3 | 10.5 |
| 46 | 11 |
| 46 2/3 | 11.5 |
| 47 1/3 | 12 |
| 48 | 12.5 |
| 48 2/3 | 13 |
| 49 1/3 | 13.5 |
| 50 | 14 |
👉 Important tip: If you use orthotic insoles or prefer a loose fit, choose half a size up.
Differences between Y-3 shoe models
Y-3 Taekwondo Mei
- Very stylized silhouette
- Martial arts inspiration
- Tight and clean fit
- Ideal for urban use and minimalist looks
👉 Recommendation: go up half a size if you have wide feet
Y-3 Ultraboost / Runner / Technical Models
- Greater cushioning
- Designed for extended use
- Comfortable and stable fit
👉 Recommendation: usual size
Y-3 Stan Smith / Nice
- Classic design reinterpreted
- Daily use
- Slightly firmer fit than standard adidas
👉 Recommendation: Order your usual size or half a size up if you're unsure.
Buy Y-3 sneakers online with confidence
In Miralles 1986 We select authentic Y-3 sneakers from current collections and exclusive capsules. All purchases include shipping from Spain and personalized support to answer any questions about size or model before you place your order.
If you are unsure between two sizes or a specific model, Our team can help you choose the right option.





