True-to-Size Millimeter Sizing Comparison
Clarks Ashland Bubble vs Clarks Leisa Cacti Q
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 Ashland Bubble to see your calculated size in the Leisa Cacti Q.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Ashland Bubble (US) | Internal Cavity | Leisa Cacti Q 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 Ashland Bubble size compare to the Leisa Cacti Q?
Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Ashland Bubble has an internal fit offset of 0mm compared to 0mm for the Leisa Cacti Q.
Do these shoes fit wide feet comfortably?
The Ashland Bubble has a standard medium width profile, while the Leisa Cacti Q is standard medium.