True-to-Size Millimeter Sizing Comparison
Adidas Stan Smith vs Clarks Breeze Sea
Detailed size conversion chart, cavity measurements in millimeters, and crowd-sourced fit advice for choosing your perfect size.
Interactive Size Converter
Select what size you wear in the Stan Smith to see your calculated size in the Breeze Sea.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Stan Smith (US) | Internal Cavity | Breeze Sea Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 3.5 | 248 mm | US 6.5 | 88% | -1.0 mm |
| US 4 | 251 mm | US 7 | 88% | -1.0 mm |
| US 4.5 | 255 mm | US 7.5 | 76% | -2.0 mm |
| US 5 | 258 mm | US 8 | 88% | -1.0 mm |
| US 5.5 | 261 mm | US 8.5 | 88% | -1.0 mm |
| US 6 | 265 mm | US 9 | 76% | +2.0 mm |
| US 6.5 | 268 mm | US 9 | 88% | -1.0 mm |
| US 7 | 275 mm | US 10 | 76% | -2.0 mm |
| US 7.5 | 278 mm | US 10.5 | 88% | -1.0 mm |
| US 8 | 281 mm | US 11 | 88% | -1.0 mm |
| US 8.5 | 285 mm | US 11 | 41% | -5.0 mm |
| US 9 | 288 mm | US 11 | 5% | -8.0 mm |
| US 9.5 | 291 mm | US 11 | 0% | -11.0 mm |
| US 10 | 295 mm | US 11 | 0% | -15.0 mm |
| US 10.5 | 298 mm | US 11 | 0% | -18.0 mm |
| US 11 | 301 mm | US 11 | 0% | -21.0 mm |
| US 11.5 | 305 mm | US 11 | 0% | -25.0 mm |
| US 12 | 308 mm | US 11 | 0% | -28.0 mm |
| US 12.5 | 311 mm | US 11 | 0% | -31.0 mm |
| US 13 | 315 mm | US 11 | 0% | -35.0 mm |
| US 14 | 321 mm | US 11 | 0% | -41.0 mm |
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Frequently Asked Questions
How does the Stan Smith size compare to the Breeze Sea?
The Breeze Sea is about 8mm shorter than the Stan Smith. We suggest ordering 1 full size up in Breeze Sea. The Stan Smith has an internal fit offset of 8mm compared to 0mm for the Breeze Sea.
Do these shoes fit wide feet comfortably?
The Stan Smith has a standard medium width profile, while the Breeze Sea is standard medium.