990v6 vs Fresh Foam 1080
Both are New Balance models but they fit differently: Fresh Foam 1080 runs about 0.5 size s larger than 990v6 at the same labelled US size.
At US men's 9 on 990v6
If you wear 990v6 in US 9, start with Fresh Foam 1080 in US 8.5: go down 0.5 US sizes. The calculation keeps the same foot length anchor, about 262mm, then removes the 990v6 fit offset (+0) and applies the Fresh Foam 1080 fit offset (+0.25).
| Model | Recommended US | Foot mm | UK | EU | CM |
|---|---|---|---|---|---|
| 990v6 | 9 | 262 | 8 | 39 | 26 |
| Fresh Foam 1080 (equivalent) | 8.5 | 262 | 8 | 39 | 26 |