True-to-Size Millimeter Sizing Comparison
MIA Jody Chelsea vs MIA Mckinley Bootie
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 Jody Chelsea to see your calculated size in the Mckinley Bootie.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Jody Chelsea (US) | Internal Cavity | Mckinley Bootie Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 4.5 | 233 mm | US 5 | 58% | +3.5 mm |
| US 5 | 237 mm | US 5.5 | 70% | +2.5 mm |
| US 5.5 | 240 mm | US 6 | 70% | +2.5 mm |
| US 6 | 243 mm | US 6 | 94% | -0.5 mm |
| US 6.5 | 247 mm | US 7 | 70% | +2.5 mm |
| US 7 | 250 mm | US 7.5 | 70% | +2.5 mm |
| US 7.5 | 253 mm | US 7.5 | 94% | -0.5 mm |
| US 8 | 257 mm | US 8.5 | 70% | +2.5 mm |
| US 8.5 | 260 mm | US 8.5 | 94% | -0.5 mm |
| US 9 | 267 mm | US 9.5 | 70% | +2.5 mm |
| US 9.5 | 270 mm | US 10 | 70% | +2.5 mm |
| US 10 | 273 mm | US 10 | 94% | -0.5 mm |
| US 10.5 | 277 mm | US 11 | 70% | +2.5 mm |
| US 11 | 280 mm | US 11 | 94% | -0.5 mm |
Related Comparisons
Frequently Asked Questions
How does the Jody Chelsea size compare to the Mckinley Bootie?
Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Jody Chelsea has an internal fit offset of 0.36mm compared to -0.12mm for the Mckinley Bootie.
Do these shoes fit wide feet comfortably?
The Jody Chelsea has a snug/narrow width profile, while the Mckinley Bootie is snug/narrow.