True-to-Size Millimeter Sizing Comparison
Trotters Doris vs Trotters Doris
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 Doris to see your calculated size in the Doris.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Doris (US) | Internal Cavity | Doris Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 4.5 | 233 mm | US 3.5 | 17% | +7.0 mm |
| US 5 | 237 mm | US 3.5 | 65% | +3.0 mm |
| US 5.5 | 240 mm | US 3.5 | 100% | 0.0 mm |
| US 6 | 243 mm | US 4 | 100% | 0.0 mm |
| US 6.5 | 247 mm | US 4.5 | 100% | 0.0 mm |
| US 7 | 250 mm | US 5 | 100% | 0.0 mm |
| US 7.5 | 253 mm | US 5.5 | 100% | 0.0 mm |
| US 8 | 257 mm | US 6 | 100% | 0.0 mm |
| US 8.5 | 260 mm | US 6.5 | 100% | 0.0 mm |
| US 9 | 267 mm | US 7 | 100% | 0.0 mm |
| US 9.5 | 270 mm | US 7.5 | 100% | 0.0 mm |
| US 10 | 273 mm | US 8 | 100% | 0.0 mm |
| US 10.5 | 277 mm | US 8.5 | 100% | 0.0 mm |
| US 11 | 280 mm | US 9 | 100% | 0.0 mm |
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Frequently Asked Questions
How does the Doris size compare to the Doris?
Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Doris has an internal fit offset of 0mm compared to 0mm for the Doris.
Do these shoes fit wide feet comfortably?
The Doris has a standard medium width profile, while the Doris is standard medium.