True-to-Size Millimeter Sizing Comparison
KEEN Newport H2 vs Sanuk Yoga Mat
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 Newport H2 to see your calculated size in the Yoga Mat.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Newport H2 (US) | Internal Cavity | Yoga Mat Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 7 | 263 mm | US 6.5 | 65% | -3.0 mm |
| US 7.5 | 266 mm | US 7 | 88% | +1.0 mm |
| US 8 | 269 mm | US 7.5 | 88% | +1.0 mm |
| US 8.5 | 273 mm | US 8 | 100% | 0.0 mm |
| US 9 | 276 mm | US 8.5 | 88% | +1.0 mm |
| US 9.5 | 279 mm | US 9 | 88% | +1.0 mm |
| US 10 | 283 mm | US 9.5 | 100% | 0.0 mm |
| US 10.5 | 286 mm | US 10 | 88% | +1.0 mm |
| US 11 | 289 mm | US 10.5 | 88% | +1.0 mm |
| US 11.5 | 293 mm | US 11 | 100% | 0.0 mm |
| US 12 | 296 mm | US 11.5 | 88% | +1.0 mm |
| US 12.5 | 299 mm | US 12 | 88% | +1.0 mm |
| US 13 | 303 mm | US 12.5 | 100% | 0.0 mm |
| US 14 | 309 mm | US 13 | 76% | -2.0 mm |
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Frequently Asked Questions
How does the Newport H2 size compare to the Yoga Mat?
The Yoga Mat provides about 4mm more internal length than the Newport H2. We suggest ordering 1/2 size down in Yoga Mat. The Newport H2 has an internal fit offset of -4mm compared to 0mm for the Yoga Mat.
Do these shoes fit wide feet comfortably?
The Newport H2 has a standard medium width profile, while the Yoga Mat is standard medium.