True-to-Size Millimeter Sizing Comparison
Tommy Hilfiger Fantim vs Tommy Hilfiger Lightz
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 Fantim to see your calculated size in the Lightz.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Fantim (US) | Internal Cavity | Lightz Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 4.5 | 234 mm | US 4.5 | 100% | +0.0 mm |
| US 5 | 238 mm | US 5 | 100% | +0.0 mm |
| US 5.5 | 241 mm | US 5.5 | 100% | +0.0 mm |
| US 6 | 244 mm | US 6 | 100% | +0.0 mm |
| US 6.5 | 248 mm | US 6.5 | 100% | +0.0 mm |
| US 7 | 251 mm | US 7 | 100% | +0.0 mm |
| US 7.5 | 254 mm | US 7.5 | 100% | +0.0 mm |
| US 8 | 258 mm | US 8 | 100% | +0.0 mm |
| US 8.5 | 261 mm | US 8.5 | 100% | +0.0 mm |
| US 9 | 268 mm | US 9 | 100% | +0.0 mm |
| US 9.5 | 271 mm | US 9.5 | 100% | +0.0 mm |
| US 10 | 274 mm | US 10 | 100% | +0.0 mm |
| US 10.5 | 278 mm | US 10.5 | 100% | +0.0 mm |
| US 11 | 281 mm | US 11 | 100% | +0.0 mm |
Frequently Asked Questions
How does the Fantim size compare to the Lightz?
Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Fantim has an internal fit offset of 0.72mm compared to 0.76mm for the Lightz.
Do these shoes fit wide feet comfortably?
The Fantim has a roomy/wide width profile, while the Lightz is roomy/wide.