Adidas Ultraboost 23 vs Adidas Yeezy 350 V2 Sizing
Adidas Ultraboost 23 vs Adidas Yeezy 350 V2: side-by-side fit, toe-box width and the exact size to order in each — Adidas Ultraboost 23 runs bigger. Free interactive sizing comparison.
Should you size up from the Adidas Ultraboost 23 to the Adidas Yeezy 350 V2?
Yes — size up a full size. If you wear a US 10 in the Ultraboost 23, order about a US 11 in the Yeezy 350 V2.
How they compare
Adidas Ultraboost 23 → Adidas Yeezy 350 V2: The Adidas Ultraboost 23 runs true to size and has a significantly wider toe box compared to the Adidas Yeezy 350 V2. If you wear a US 10 in the Ultraboost 23, your target size for the Yeezy 350 V2 is US 11.
Adidas Yeezy 350 V2 → Adidas Ultraboost 23: The Adidas Yeezy 350 V2 runs nearly a full size small and has a significantly narrower toe box compared to the Adidas Ultraboost 23. If you wear a US 10 in the Yeezy 350 V2, your target size for the Ultraboost 23 is US 9.5.
Spec comparison
| Spec | Adidas Ultraboost 23 | Adidas Yeezy 350 V2 |
|---|---|---|
| Length Fit | True to Size | Runs Small (~1 size) |
| Toe Box Profile | Wide | Very Narrow |
| Arch Support | High | Low / Flat |
| Upper Material | Primeknit Textile | Primeknit Textile |
Size conversion: Adidas Ultraboost 23 → Adidas Yeezy 350 V2
If you wear these US sizes in the Ultraboost 23, here is the size to order in the Yeezy 350 V2.
| Your US size in Ultraboost 23 | Recommended Yeezy 350 V2 size |
|---|---|
| US 8 | US 9 |
| US 9 | US 10 |
| US 10 | US 11 |
| US 11 | US 12 |
| US 12 | US 13 |
Frequently asked questions
Which runs bigger, the Adidas Ultraboost 23 or the Adidas Yeezy 350 V2?
The Adidas Ultraboost 23 runs longer than the Adidas Yeezy 350 V2 — it sits true to size while the other runs small, so size accordingly when moving between them.
If I wear a US 10 in the Ultraboost 23, what size is the Yeezy 350 V2?
Target a US 11 in the Yeezy 350 V2. A US 9 in the Ultraboost 23 maps to about US 10, and a US 11 to about US 12.
Is the Ultraboost 23 wider than the Yeezy 350 V2?
The Adidas Ultraboost 23 has a significantly wider toe box versus the Adidas Yeezy 350 V2 (wide vs very narrow). Forefoot room is one of the biggest reasons two shoes at the same length still feel different.
How do the Ultraboost 23 and Yeezy 350 V2 compare on support and material?
The Ultraboost 23 pairs high arch support with a primeknit textile upper; the Yeezy 350 V2 has low / flat support and a primeknit textile upper.
Try it: adjust the size and compare live
Verdict
The Adidas Ultraboost 23 runs true to size and has a significantly wider toe box compared to the Adidas Yeezy 350 V2. If you wear a US 10 in the Ultraboost 23, your target size for the Yeezy 350 V2 is US 11.
| Spec | Adidas Ultraboost 23 | Adidas Yeezy 350 V2 |
|---|---|---|
| Length Fit | True to Size | Runs Small (~1 size) |
| Toe Box Profile | Wide | Very Narrow |
| Arch Support | High | Low / Flat |
| Upper Material | Primeknit Textile | Primeknit Textile |