New Balance 990v5 vs Adidas Ultraboost 23 Sizing
New Balance 990v5 vs Adidas Ultraboost 23: side-by-side fit, toe-box width and the exact size to order in each — they fit the same length. Free interactive sizing comparison.
Do the New Balance 990v5 and Adidas Ultraboost 23 take the same size?
Yes — keep your usual size. A US 10 in the 990v5 is about a US 10 in the Ultraboost 23.
How they compare
New Balance 990v5 → Adidas Ultraboost 23: The New Balance 990v5 runs true to size, similar in width to the Adidas Ultraboost 23. Your US 10 in the 990v5 translates to the same size in the Ultraboost 23.
Adidas Ultraboost 23 → New Balance 990v5: The Adidas Ultraboost 23 runs true to size, similar in width to the New Balance 990v5. Your US 10 in the Ultraboost 23 translates to the same size in the 990v5.
Spec comparison
| Spec | New Balance 990v5 | Adidas Ultraboost 23 |
|---|---|---|
| Length Fit | True to Size | True to Size |
| Toe Box Profile | Wide | Wide |
| Arch Support | High | High |
| Upper Material | Mesh/Pigskin Suede | Primeknit Textile |
Size conversion: New Balance 990v5 → Adidas Ultraboost 23
If you wear these US sizes in the 990v5, here is the size to order in the Ultraboost 23.
| Your US size in 990v5 | Recommended Ultraboost 23 size |
|---|---|
| US 8 | US 8 |
| US 9 | US 9 |
| US 10 | US 10 |
| US 11 | US 11 |
| US 12 | US 12 |
Frequently asked questions
Which runs bigger, the New Balance 990v5 or the Adidas Ultraboost 23?
The New Balance 990v5 and Adidas Ultraboost 23 fit the same in length — both are true to size — so you can keep your usual size moving between them.
If I wear a US 10 in the 990v5, what size is the Ultraboost 23?
Target a US 10 in the Ultraboost 23. A US 9 in the 990v5 maps to about US 9, and a US 11 to about US 11.
Is the 990v5 wider than the Ultraboost 23?
The New Balance 990v5 has a similar toe box width versus the Adidas Ultraboost 23 (wide vs wide). Forefoot room is one of the biggest reasons two shoes at the same length still feel different.
How do the 990v5 and Ultraboost 23 compare on support and material?
The 990v5 pairs high arch support with a mesh/pigskin suede upper; the Ultraboost 23 has high support and a primeknit textile upper.
Try it: adjust the size and compare live
Verdict
The New Balance 990v5 runs true to size, similar in width to the Adidas Ultraboost 23. Your US 10 in the 990v5 translates to the same size in the Ultraboost 23.
| Spec | New Balance 990v5 | Adidas Ultraboost 23 |
|---|---|---|
| Length Fit | True to Size | True to Size |
| Toe Box Profile | Wide | Wide |
| Arch Support | High | High |
| Upper Material | Mesh/Pigskin Suede | Primeknit Textile |