True-to-Size Millimeter Sizing Comparison
Keds Champion Leather Lace Up vs Keds Kickstart Lace Up
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 Champion Leather Lace Up to see your calculated size in the Kickstart Lace Up.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Champion Leather Lace Up (US) | Internal Cavity | Kickstart Lace Up Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 3.5 | 240 mm | US 3.5 | 100% | 0.0 mm |
| US 4 | 243 mm | US 4 | 100% | 0.0 mm |
| US 4.5 | 247 mm | US 4.5 | 100% | 0.0 mm |
| US 5 | 250 mm | US 5 | 100% | 0.0 mm |
| US 5.5 | 253 mm | US 5.5 | 100% | 0.0 mm |
| US 6 | 257 mm | US 6 | 100% | 0.0 mm |
| US 6.5 | 260 mm | US 6.5 | 100% | 0.0 mm |
| US 7 | 267 mm | US 7 | 100% | 0.0 mm |
| US 7.5 | 270 mm | US 7.5 | 100% | 0.0 mm |
| US 8 | 273 mm | US 8 | 100% | 0.0 mm |
| US 8.5 | 277 mm | US 8.5 | 100% | 0.0 mm |
| US 9 | 280 mm | US 9 | 100% | 0.0 mm |
| US 9.5 | 283 mm | US 9.5 | 100% | 0.0 mm |
| US 10 | 287 mm | US 10 | 100% | 0.0 mm |
| US 10.5 | 290 mm | US 10.5 | 100% | 0.0 mm |
| US 11 | 293 mm | US 11 | 100% | 0.0 mm |
| US 11.5 | 297 mm | US 11.5 | 100% | 0.0 mm |
| US 12 | 300 mm | US 12 | 100% | 0.0 mm |
| US 12.5 | 303 mm | US 12.5 | 100% | 0.0 mm |
| US 13 | 307 mm | US 13 | 100% | 0.0 mm |
| US 14 | 313 mm | US 14 | 100% | 0.0 mm |
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Frequently Asked Questions
How does the Champion Leather Lace Up size compare to the Kickstart Lace Up?
Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Champion Leather Lace Up has an internal fit offset of 0mm compared to 0mm for the Kickstart Lace Up.
Do these shoes fit wide feet comfortably?
The Champion Leather Lace Up has a standard medium width profile, while the Kickstart Lace Up is standard medium.