True-to-Size Millimeter Sizing Comparison
Kelly & Katie Caital Sandal vs Kelly & Katie Hailee Sandal
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 Caital Sandal to see your calculated size in the Hailee Sandal.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Caital Sandal (US) | Internal Cavity | Hailee Sandal Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 4.5 | 233 mm | US 4.5 | 100% | 0.0 mm |
| US 5 | 237 mm | US 5 | 100% | 0.0 mm |
| US 5.5 | 240 mm | US 5.5 | 100% | 0.0 mm |
| US 6 | 243 mm | US 6 | 100% | 0.0 mm |
| US 6.5 | 247 mm | US 6.5 | 100% | 0.0 mm |
| US 7 | 250 mm | US 7 | 100% | 0.0 mm |
| US 7.5 | 253 mm | US 7.5 | 100% | 0.0 mm |
| US 8 | 257 mm | US 8 | 100% | 0.0 mm |
| US 8.5 | 260 mm | US 8.5 | 100% | 0.0 mm |
| US 9 | 267 mm | US 9 | 100% | 0.0 mm |
| US 9.5 | 270 mm | US 9.5 | 100% | 0.0 mm |
| US 10 | 273 mm | US 10 | 100% | 0.0 mm |
| US 10.5 | 277 mm | US 10.5 | 100% | 0.0 mm |
| US 11 | 280 mm | US 11 | 100% | 0.0 mm |
Related Comparisons
kelly-and-katie ComparisonCaital Sandal vs Paloona SandalView Sizing ComparisonDirect RivalryMayari - Birko-Flor™ & Birkibuc™ vs Hailee SandalView Sizing ComparisonDirect RivalryMayari Oiled Leather vs Hailee SandalView Sizing ComparisonDirect RivalryOra Recovery Flip vs Hailee SandalView Sizing ComparisonDirect RivalryBistro Graphic Clog vs Hailee SandalView Sizing Comparison
Frequently Asked Questions
How does the Caital Sandal size compare to the Hailee Sandal?
Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Caital Sandal has an internal fit offset of 0mm compared to 0mm for the Hailee Sandal.
Do these shoes fit wide feet comfortably?
The Caital Sandal has a standard medium width profile, while the Hailee Sandal is standard medium.