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Nike Ja Fly 4 Sizing Guide
Does It Run Large or Small?
Nike Ja Fly 4 runs 1.0 times larger than other Nike shoes and requires a custom size chart, which you find below.
Official Nike Size Chart
Nike :: One Size Larger :: unisex
Unsure about your size? Find your size or check out our detailed guide on how to measure your feet.
Fit Type: Runs large
| Size (EU) | Foot Length (mm) |
|---|---|
| 35.5 | 212 |
| 36 | 216 |
| 36.5 | 220 |
| 37.5 | 225 |
| 38 | 229 |
| 38.5 | 233 |
| 39 | 237 |
| 40 | 241 |
| 40.5 | 246 |
| 41 | 250 |
| 42 | 254 |
| 42.5 | 258 |
| 43 | 263 |
| 44 | 267 |
| 44.5 | 271 |
| 45 | 275 |
| 45.5 | 279 |
| 46 | 284 |
| 47 | 288 |
| 47.5 | 292 |
| 48 | 296 |
| 48.5 | 301 |
| 49 | 305 |
| 49.5 | 309 |
| 50 | 313 |
| 50.5 | 318 |
| 51 | 322 |
| 51.5 | 326 |
| 52 | 330 |
| 52.5 | 335 |
| 53 | 339 |
| 53.5 | 343 |
| 54 | 347 |
| 54.5 | 351 |
| 55 | 356 |
| 55.5 | 360 |
| 56 | 364 |
| 56.5 | 368 |
Based On: Nike :: Official :: Unisex
Last updated: 2025-07-21 16:30:41