True-to-Size Millimeter Sizing Comparison

ASICS GEL-Contend 9 vs ASICS GEL-Nimbus 27

Detailed size conversion chart, cavity measurements in millimeters, and crowd-sourced fit advice for choosing your perfect size.

Shoe Aunisex
ASICS GEL-Contend 9
4.3(379 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full GEL-Contend 9 Breakdown
Shoe Bmen
ASICS GEL-Nimbus 27
4.2(687 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full GEL-Nimbus 27 Breakdown
Fit Verdict

True to Size Comparison

Both shoes share a very similar length profile. We recommend ordering your standard size in both.

Length Delta+0.28 mm
Width Delta+0.18 mm

Interactive Size Converter

Select what size you wear in the GEL-Contend 9 to see your calculated size in the GEL-Nimbus 27.

Recommended Size in ASICS GEL-Nimbus 27
US 997% Match

Internal shoe cavity difference: +0.3 mm (slightly roomier)

Complete Size Conversion Matrix

Direct millimeter-calibrated mapping comparing all available sizes between both shoes.

GEL-Contend 9 (US)Internal CavityGEL-Nimbus 27 EquivalentMatch AccuracyFit Difference
US 3.5238 mmUS 3.597%+0.3 mm
US 4241 mmUS 497%+0.3 mm
US 4.5246 mmUS 4.597%+0.3 mm
US 5251 mmUS 597%+0.3 mm
US 5.5256 mmUS 5.597%+0.3 mm
US 6261 mmUS 697%+0.3 mm
US 6.5266 mmUS 6.597%+0.3 mm
US 7268 mmUS 797%+0.3 mm
US 7.5271 mmUS 7.597%+0.3 mm
US 8276 mmUS 897%+0.3 mm
US 8.5281 mmUS 8.597%+0.3 mm
US 9286 mmUS 997%+0.3 mm
US 9.5291 mmUS 9.597%+0.3 mm
US 10296 mmUS 1097%+0.3 mm
US 10.5298 mmUS 10.597%+0.3 mm
US 11301 mmUS 1197%+0.3 mm
US 11.5306 mmUS 11.597%+0.3 mm
US 12311 mmUS 1297%+0.3 mm
US 12.5316 mmUS 12.597%+0.3 mm
US 13321 mmUS 1397%+0.3 mm
US 14326 mmUS 1497%+0.3 mm
US 15336 mmUS 1597%+0.3 mm
US 16346 mmUS 1697%+0.3 mm

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Frequently Asked Questions

How does the GEL-Contend 9 size compare to the GEL-Nimbus 27?

Both shoes share a very similar length profile. We recommend ordering your standard size in both. The GEL-Contend 9 has an internal fit offset of -0.36mm compared to -0.08mm for the GEL-Nimbus 27.

Do these shoes fit wide feet comfortably?

The GEL-Contend 9 has a snug/narrow width profile, while the GEL-Nimbus 27 is snug/narrow.