True-to-Size Millimeter Sizing Comparison
On Cloudmonster vs On Cloudventure
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 Cloudmonster to see your calculated size in the Cloudventure.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Cloudmonster (US) | Internal Cavity | Cloudventure Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 5 | 240 mm | US 5.5 | 70% | +2.6 mm |
| US 5.5 | 243 mm | US 5.5 | 95% | -0.4 mm |
| US 6 | 247 mm | US 6.5 | 70% | +2.6 mm |
| US 6.5 | 250 mm | US 7 | 70% | +2.6 mm |
| US 7 | 253 mm | US 7 | 95% | -0.4 mm |
| US 7.5 | 257 mm | US 8 | 70% | +2.6 mm |
| US 8 | 260 mm | US 8 | 95% | -0.4 mm |
| US 7 | 267 mm | US 7.5 | 70% | +2.6 mm |
| US 7.5 | 270 mm | US 8 | 70% | +2.6 mm |
| US 8 | 273 mm | US 8 | 95% | -0.4 mm |
| US 8.5 | 280 mm | US 9 | 70% | +2.6 mm |
| US 9 | 283 mm | US 9 | 95% | -0.4 mm |
| US 9.5 | 287 mm | US 9.5 | 95% | -0.4 mm |
| US 10 | 293 mm | US 10.5 | 58% | +3.6 mm |
| US 10.5 | 297 mm | US 11 | 70% | +2.6 mm |
| US 11 | 300 mm | US 11 | 95% | -0.4 mm |
| US 11.5 | 307 mm | US 11.5 | 95% | -0.4 mm |
| US 12 | 313 mm | US 12.5 | 70% | +2.6 mm |
| US 12.5 | 316 mm | US 13 | 70% | +2.6 mm |
| US 13 | 319 mm | US 13 | 95% | -0.4 mm |
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Frequently Asked Questions
How does the Cloudmonster size compare to the Cloudventure?
Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Cloudmonster has an internal fit offset of -0.2mm compared to -0.64mm for the Cloudventure.
Do these shoes fit wide feet comfortably?
The Cloudmonster has a standard medium width profile, while the Cloudventure is snug/narrow.