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Both are Asics models, but lasts differ. Gel-1130 is labeled True to Size (True to size). Gel-Kayano 31 is True to Size (True to size with correct width).
ASICS Gel-1130 fits true to size for most people, with a more forgiving mesh toebox than the old “ASICS runs narrow” stereotype. Half up is mainly for very wide feet or thick socks — not a default. Do not copy Kayano 14 sizing into the 1130.
ASICS Gel-Kayano 31 fits true to size in length when you pick the right width. The engineered mesh wrap can feel snug on high-volume feet — use 2E/4E rather than guessing with length. Lifestyle Kayano 14 sizing is a different conversation.
Use the table below as a starting point from fit offsets — then confirm with try-on or returns. Width can matter more than length between these two.
| Gel-1130 | Gel-Kayano 31 | |
|---|---|---|
| Verdict | True to Size | True to Size |
| Advice | True to size | True to size with correct width |
| Width | Often roomier than expected for a lifestyle ASICS | Multiple widths on many SKUs |
| Break-in | Minimal | None |
| Fit offset | +0 | +0 |
| Confidence | high | high |
If the left model fits at the listed size, start here in the right model (chart + fit offsets).
| If Gel-1130 fits | Try Gel-Kayano 31 | Note |
|---|---|---|
| US 7 | US 7 | offset +0 |
| US 7.5 | US 7.5 | offset +0 |
| US 8 | US 8 | offset +0 |
| US 8.5 | US 8.5 | offset +0 |
| US 9 | US 9 | offset +0 |
| US 9.5 | US 9.5 | offset +0 |
| US 10 | US 10 | offset +0 |
| US 10.5 | US 10.5 | offset +0 |
| US 11 | US 11 | offset +0 |
| US 12 | US 12 | offset +0 |
Check prices: Gel-1130 Gel-Kayano 31 (paid link)
Full Gel-1130 guide · Full Gel-Kayano 31 guide · Reverse compare · Open in converter