Vans Authentic vs Converse Chuck 70 Sizing
Vans Authentic vs Converse Chuck 70: side-by-side fit, toe-box width and the exact size to order in each — Converse Chuck 70 runs bigger. Free interactive sizing comparison.
Should you size down from the Vans Authentic to the Converse Chuck 70?
Yes — size down a half size. If you wear a US 10 in the Authentic, order about a US 9.5 in the Chuck 70.
How they compare
Vans Authentic → Converse Chuck 70: The Vans Authentic runs true to size and has a slightly narrower toe box compared to the Converse Chuck 70. If you wear a US 10 in the Authentic, your target size for the Chuck 70 is US 9.5.
Converse Chuck 70 → Vans Authentic: The Converse Chuck 70 runs about a half-size large and has a slightly wider toe box compared to the Vans Authentic. If you wear a US 10 in the Chuck 70, your target size for the Authentic is US 10.5.
Spec comparison
| Spec | Vans Authentic | Converse Chuck 70 |
|---|---|---|
| Length Fit | True to Size | Runs Large (~½ size) |
| Toe Box Profile | Narrow | Standard |
| Arch Support | None | None |
| Upper Material | Canvas | Canvas |
Size conversion: Vans Authentic → Converse Chuck 70
If you wear these US sizes in the Authentic, here is the size to order in the Chuck 70.
| Your US size in Authentic | Recommended Chuck 70 size |
|---|---|
| US 8 | US 7.5 |
| US 9 | US 8.5 |
| US 10 | US 9.5 |
| US 11 | US 10.5 |
| US 12 | US 11.5 |
Frequently asked questions
Which runs bigger, the Vans Authentic or the Converse Chuck 70?
The Converse Chuck 70 runs longer than the Vans Authentic. The Authentic is the snugger of the two, so you may want extra length going the other way.
If I wear a US 10 in the Authentic, what size is the Chuck 70?
Target a US 9.5 in the Chuck 70. A US 9 in the Authentic maps to about US 8.5, and a US 11 to about US 10.5.
Is the Authentic wider than the Chuck 70?
The Vans Authentic has a slightly narrower toe box versus the Converse Chuck 70 (narrow vs standard). Forefoot room is one of the biggest reasons two shoes at the same length still feel different.
How do the Authentic and Chuck 70 compare on support and material?
The Authentic pairs none arch support with a canvas upper; the Chuck 70 has none support and a canvas upper.
Try it: adjust the size and compare live
Verdict
The Vans Authentic runs true to size and has a slightly narrower toe box compared to the Converse Chuck 70. If you wear a US 10 in the Authentic, your target size for the Chuck 70 is US 9.5.
| Spec | Vans Authentic | Converse Chuck 70 |
|---|---|---|
| Length Fit | True to Size | Runs Large (~½ size) |
| Toe Box Profile | Narrow | Standard |
| Arch Support | None | None |
| Upper Material | Canvas | Canvas |