GTX GEL-SONOMA 8 GTX
Fit verdict, size conversion guide, and millimeter measurements.
This shoe runs approximately 3.9mm shorter than standard sizing. If you are between sizes or prefer a relaxed fit, go a half size up.
Aggregated feedback from verified shoe owners
| EU | US (M) | UK | Foot Length | Cavity Length |
|---|---|---|---|---|
| 35.5 | 3.5 | 2.5 | 22.3 cm | 234.58 mm |
| 36 | 4 | 3 | 22.5 cm | 237.08 mm |
| 37 | 4.5 | 3.5 | 23.0 cm | 242.08 mm |
| 37.5 | 5 | 4 | 23.5 cm | 247.08 mm |
| 38 | 5.5 | 4.5 | 24.0 cm | 252.08 mm |
| 39 | 6 | 5 | 24.5 cm | 257.08 mm |
| 39.5 | 6.5 | 5.5 | 25.0 cm | 262.08 mm |
| 40 | 7 | 6 | 25.3 cm | 264.58 mm |
| 40.5 | 7.5 | 6.5 | 25.5 cm | 267.08 mm |
| 41.5 | 8 | 7 | 26.0 cm | 272.08 mm |
| 42 | 8.5 | 7.5 | 26.5 cm | 277.08 mm |
| 42.5 | 9 | 8 | 27.0 cm | 282.08 mm |
| 43.5 | 9.5 | 8.5 | 27.5 cm | 287.08 mm |
| 44 | 10 | 9 | 28.0 cm | 292.08 mm |
| 44.5 | 10.5 | 9.5 | 28.3 cm | 294.58 mm |
| 45 | 11 | 10 | 28.5 cm | 297.08 mm |
| 46 | 11.5 | 10.5 | 29.0 cm | 302.08 mm |
| 46.5 | 12 | 11 | 29.5 cm | 307.08 mm |
| 47 | 12.5 | 11.5 | 30.0 cm | 312.08 mm |
| 48 | 13 | 12 | 30.5 cm | 317.08 mm |
| 49 | 14 | 13 | 31.0 cm | 322.08 mm |
| 50.5 | 15 | 14 | 32.0 cm | 332.08 mm |
| 51.5 | 16 | 15 | 33.0 cm | 342.08 mm |
Does the ASICS GTX GEL-SONOMA 8 GTX run big or small?
It tends to run slightly small. We recommend going a half size up for the best fit. This shoe runs approximately 3.9mm shorter than standard sizing. If you are between sizes or prefer a relaxed fit, go a half size up.
How does Shoe Fit determine shoe sizing?
Shoe Fit calculates the real-world interior shoe cavity in millimeters combined with real owner feedback, rather than relying on arbitrary brand charts.
Already own a shoe that fits well? Shoe Fit cross-references its internal cavity against the ASICS GTX GEL-SONOMA 8 GTX to give you your personalized size.
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