True-to-Size Millimeter Sizing Comparison
Danner Logger Moc 917 GTX vs Danner Trail 2650
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 Logger Moc 917 GTX to see your calculated size in the Trail 2650.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Logger Moc 917 GTX (US) | Internal Cavity | Trail 2650 Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 3.5 | 236 mm | US 3.5 | 63% | +3.2 mm |
| US 4 | 239 mm | US 3.5 | 98% | +0.2 mm |
| US 4.5 | 243 mm | US 4.5 | 63% | +3.2 mm |
| US 5 | 246 mm | US 4.5 | 98% | +0.2 mm |
| US 5.5 | 249 mm | US 5 | 98% | +0.2 mm |
| US 6 | 253 mm | US 6 | 63% | +3.2 mm |
| US 6.5 | 256 mm | US 6 | 98% | +0.2 mm |
| US 7 | 263 mm | US 7 | 63% | +3.2 mm |
| US 7.5 | 266 mm | US 7 | 98% | +0.2 mm |
| US 8 | 269 mm | US 7.5 | 98% | +0.2 mm |
| US 8.5 | 273 mm | US 8.5 | 63% | +3.2 mm |
| US 9 | 276 mm | US 8.5 | 98% | +0.2 mm |
| US 9.5 | 279 mm | US 9 | 98% | +0.2 mm |
| US 10 | 283 mm | US 10 | 63% | +3.2 mm |
| US 10.5 | 286 mm | US 10 | 98% | +0.2 mm |
| US 11 | 289 mm | US 10.5 | 98% | +0.2 mm |
| US 11.5 | 293 mm | US 11.5 | 63% | +3.2 mm |
| US 12 | 296 mm | US 11.5 | 98% | +0.2 mm |
| US 12.5 | 299 mm | US 12 | 98% | +0.2 mm |
| US 13 | 303 mm | US 13 | 63% | +3.2 mm |
| US 14 | 309 mm | US 14 | 63% | +3.2 mm |
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Frequently Asked Questions
How does the Logger Moc 917 GTX size compare to the Trail 2650?
The Trail 2650 provides about 3mm more internal length than the Logger Moc 917 GTX. We suggest ordering 1/2 size down in Trail 2650. The Logger Moc 917 GTX has an internal fit offset of -4mm compared to -0.84mm for the Trail 2650.
Do these shoes fit wide feet comfortably?
The Logger Moc 917 GTX has a standard medium width profile, while the Trail 2650 is snug/narrow.