True-to-Size Millimeter Sizing Comparison
Brooks Addiction Walker 2 vs New Balance Fresh Foam Arishi v4
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 Addiction Walker 2 to see your calculated size in the Fresh Foam Arishi v4.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Addiction Walker 2 (US) | Internal Cavity | Fresh Foam Arishi v4 Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 4.5 | 232 mm | US 5.5 | 60% | +3.4 mm |
| US 5 | 236 mm | US 6 | 48% | +4.4 mm |
| US 5.5 | 239 mm | US 6 | 83% | +1.4 mm |
| US 6 | 242 mm | US 6.5 | 60% | +3.4 mm |
| US 6.5 | 246 mm | US 7 | 48% | +4.4 mm |
| US 7 | 249 mm | US 7 | 83% | +1.4 mm |
| US 7.5 | 252 mm | US 7.5 | 60% | +3.4 mm |
| US 8 | 256 mm | US 8 | 48% | +4.4 mm |
| US 8.5 | 259 mm | US 8 | 83% | +1.4 mm |
| US 9 | 266 mm | US 9 | 48% | +4.4 mm |
| US 9.5 | 269 mm | US 9 | 83% | +1.4 mm |
| US 10 | 272 mm | US 9.5 | 60% | +3.4 mm |
| US 10.5 | 276 mm | US 10 | 48% | +4.4 mm |
| US 11 | 279 mm | US 10 | 83% | +1.4 mm |
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Frequently Asked Questions
How does the Addiction Walker 2 size compare to the Fresh Foam Arishi v4?
Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Addiction Walker 2 has an internal fit offset of -0.88mm compared to -0.48mm for the Fresh Foam Arishi v4.
Do these shoes fit wide feet comfortably?
The Addiction Walker 2 has a snug/narrow width profile, while the Fresh Foam Arishi v4 is snug/narrow.