True-to-Size Millimeter Sizing Comparison
Kork-Ease Myrna 2.0 vs Kork-Ease Tutsi
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 Myrna 2.0 to see your calculated size in the Tutsi.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Myrna 2.0 (US) | Internal Cavity | Tutsi Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 3.5 | 236 mm | US 3.5 | 53% | +4.0 mm |
| US 4 | 239 mm | US 3.5 | 88% | +1.0 mm |
| US 4.5 | 243 mm | US 4 | 100% | 0.0 mm |
| US 5 | 246 mm | US 4.5 | 88% | +1.0 mm |
| US 5.5 | 249 mm | US 5 | 88% | +1.0 mm |
| US 6 | 253 mm | US 5.5 | 100% | 0.0 mm |
| US 6.5 | 256 mm | US 6 | 88% | +1.0 mm |
| US 7 | 263 mm | US 6.5 | 65% | -3.0 mm |
| US 7.5 | 266 mm | US 7 | 88% | +1.0 mm |
| US 8 | 269 mm | US 7.5 | 88% | +1.0 mm |
| US 8.5 | 273 mm | US 8 | 100% | 0.0 mm |
| US 9 | 276 mm | US 8.5 | 88% | +1.0 mm |
| US 9.5 | 279 mm | US 9 | 88% | +1.0 mm |
| US 10 | 283 mm | US 9.5 | 100% | 0.0 mm |
| US 10.5 | 286 mm | US 10 | 88% | +1.0 mm |
| US 11 | 289 mm | US 10.5 | 88% | +1.0 mm |
| US 11.5 | 293 mm | US 11 | 100% | 0.0 mm |
| US 12 | 296 mm | US 11.5 | 88% | +1.0 mm |
| US 12.5 | 299 mm | US 12 | 88% | +1.0 mm |
| US 13 | 303 mm | US 12.5 | 100% | 0.0 mm |
| US 14 | 309 mm | US 13 | 76% | -2.0 mm |
Frequently Asked Questions
How does the Myrna 2.0 size compare to the Tutsi?
The Tutsi provides about 4mm more internal length than the Myrna 2.0. We suggest ordering 1/2 size down in Tutsi. The Myrna 2.0 has an internal fit offset of -4mm compared to 0mm for the Tutsi.
Do these shoes fit wide feet comfortably?
The Myrna 2.0 has a standard medium width profile, while the Tutsi is roomy/wide.