True-to-Size Millimeter Sizing Comparison
Avenger Work Boots Breaker CT vs Avenger Work Boots Framer CT
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 Breaker CT to see your calculated size in the Framer CT.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Breaker CT (US) | Internal Cavity | Framer CT Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 3.5 | 240 mm | US 5.5 | 83% | +1.4 mm |
| US 4 | 243 mm | US 6 | 83% | +1.4 mm |
| US 4.5 | 247 mm | US 6.5 | 83% | +1.4 mm |
| US 5 | 250 mm | US 7 | 83% | +1.4 mm |
| US 5.5 | 253 mm | US 7.5 | 83% | +1.4 mm |
| US 6 | 257 mm | US 8 | 83% | +1.4 mm |
| US 6.5 | 260 mm | US 8.5 | 83% | +1.4 mm |
| US 7 | 267 mm | US 9 | 83% | +1.4 mm |
| US 7.5 | 270 mm | US 9.5 | 83% | +1.4 mm |
| US 8 | 273 mm | US 10 | 83% | +1.4 mm |
| US 8.5 | 277 mm | US 10.5 | 83% | +1.4 mm |
| US 9 | 280 mm | US 11 | 83% | +1.4 mm |
| US 9.5 | 283 mm | US 11 | 82% | -1.6 mm |
| US 10 | 287 mm | US 11 | 34% | -5.6 mm |
| US 10.5 | 290 mm | US 11 | 0% | -8.6 mm |
| US 11 | 293 mm | US 11 | 0% | -11.6 mm |
| US 11.5 | 297 mm | US 11 | 0% | -15.6 mm |
| US 12 | 300 mm | US 11 | 0% | -18.6 mm |
| US 12.5 | 303 mm | US 11 | 0% | -21.6 mm |
| US 13 | 307 mm | US 11 | 0% | -25.6 mm |
| US 14 | 313 mm | US 11 | 0% | -31.6 mm |
Related Comparisons
Frequently Asked Questions
How does the Breaker CT size compare to the Framer CT?
Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Breaker CT has an internal fit offset of -0.44mm compared to 1mm for the Framer CT.
Do these shoes fit wide feet comfortably?
The Breaker CT has a snug/narrow width profile, while the Framer CT is roomy/wide.