True-to-Size Millimeter Sizing Comparison
Comfortiva Neima - Soft Spots vs Comfortiva Posie - Soft Spots
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 Neima - Soft Spots to see your calculated size in the Posie - Soft Spots.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Neima - Soft Spots (US) | Internal Cavity | Posie - Soft Spots Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 4.5 | 233 mm | US 5 | 66% | +2.8 mm |
| US 5 | 237 mm | US 5.5 | 78% | +1.8 mm |
| US 5.5 | 240 mm | US 6 | 78% | +1.8 mm |
| US 6 | 243 mm | US 6.5 | 66% | +2.8 mm |
| US 6.5 | 247 mm | US 7 | 78% | +1.8 mm |
| US 7 | 250 mm | US 7.5 | 78% | +1.8 mm |
| US 7.5 | 253 mm | US 8 | 66% | +2.8 mm |
| US 8 | 257 mm | US 8.5 | 78% | +1.8 mm |
| US 8.5 | 260 mm | US 8.5 | 86% | -1.2 mm |
| US 9 | 267 mm | US 9.5 | 78% | +1.8 mm |
| US 9.5 | 270 mm | US 10 | 78% | +1.8 mm |
| US 10 | 273 mm | US 10.5 | 66% | +2.8 mm |
| US 10.5 | 277 mm | US 11 | 78% | +1.8 mm |
| US 11 | 280 mm | US 11 | 86% | -1.2 mm |
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Frequently Asked Questions
How does the Neima - Soft Spots size compare to the Posie - Soft Spots?
Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Neima - Soft Spots has an internal fit offset of 0.32mm compared to -0.84mm for the Posie - Soft Spots.
Do these shoes fit wide feet comfortably?
The Neima - Soft Spots has a roomy/wide width profile, while the Posie - Soft Spots is snug/narrow.