True-to-Size Millimeter Sizing Comparison
Caterpillar 2nd Shift Steel Toe vs Caterpillar Venward 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 2nd Shift Steel Toe to see your calculated size in the Venward CT.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| 2nd Shift Steel Toe (US) | Internal Cavity | Venward CT Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 3.5 | 240 mm | US 5 | 88% | +1.0 mm |
| US 4 | 243 mm | US 5.5 | 88% | +1.0 mm |
| US 4.5 | 247 mm | US 6 | 100% | 0.0 mm |
| US 5 | 250 mm | US 6.5 | 88% | +1.0 mm |
| US 5.5 | 253 mm | US 7 | 88% | +1.0 mm |
| US 6 | 257 mm | US 7.5 | 100% | 0.0 mm |
| US 6.5 | 260 mm | US 8 | 88% | +1.0 mm |
| US 7 | 267 mm | US 8.5 | 65% | -3.0 mm |
| US 7.5 | 270 mm | US 9 | 88% | +1.0 mm |
| US 8 | 273 mm | US 9.5 | 88% | +1.0 mm |
| US 8.5 | 277 mm | US 10 | 100% | 0.0 mm |
| US 9 | 280 mm | US 10.5 | 88% | +1.0 mm |
| US 9.5 | 283 mm | US 11 | 88% | +1.0 mm |
| US 10 | 287 mm | US 11 | 65% | -3.0 mm |
| US 10.5 | 290 mm | US 11 | 29% | -6.0 mm |
| US 11 | 293 mm | US 11 | 0% | -9.0 mm |
| US 11.5 | 297 mm | US 11 | 0% | -13.0 mm |
| US 12 | 300 mm | US 11 | 0% | -16.0 mm |
| US 12.5 | 303 mm | US 11 | 0% | -19.0 mm |
| US 13 | 307 mm | US 11 | 0% | -23.0 mm |
| US 14 | 313 mm | US 11 | 0% | -29.0 mm |
Related Comparisons
Frequently Asked Questions
How does the 2nd Shift Steel Toe size compare to the Venward CT?
The Venward CT provides about 4mm more internal length than the 2nd Shift Steel Toe. We suggest ordering 1/2 size down in Venward CT. The 2nd Shift Steel Toe has an internal fit offset of 0mm compared to 4mm for the Venward CT.
Do these shoes fit wide feet comfortably?
The 2nd Shift Steel Toe has a standard medium width profile, while the Venward CT is standard medium.