True-to-Size Millimeter Sizing Comparison

Adidas Adilette Comfort vs OOFOS OOahh

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

4.8(57,230 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full Adilette Comfort Breakdown
Shoe Bmen
5.0(8,276 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full OOahh 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-0.72 mm
Width Delta-0.6 mm

Interactive Size Converter

Select what size you wear in the Adilette Comfort to see your calculated size in the OOahh.

Recommended Size in OOFOS OOahh
US 11.597% 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.

Adilette Comfort (US)Internal CavityOOahh EquivalentMatch AccuracyFit Difference
US 4238 mmUS 70%+29.3 mm
US 4.5242 mmUS 70%+25.3 mm
US 5246 mmUS 70%+21.3 mm
US 5.5250 mmUS 70%+17.3 mm
US 6255 mmUS 70%+12.3 mm
US 6.5259 mmUS 72%+8.3 mm
US 7263 mmUS 749%+4.3 mm
US 7.5267 mmUS 797%+0.3 mm
US 8272 mmUS 885%+1.3 mm
US 8.5276 mmUS 8.585%+1.3 mm
US 9280 mmUS 997%+0.3 mm
US 9.5284 mmUS 1061%+3.3 mm
US 10288 mmUS 10.573%+2.3 mm
US 10.5293 mmUS 1197%+0.3 mm
US 11297 mmUS 11.597%+0.3 mm
US 11.5301 mmUS 12.573%+2.3 mm
US 12305 mmUS 1373%+2.3 mm
US 12.5310 mmUS 1461%+3.3 mm
US 13314 mmUS 1491%-0.7 mm
US 13.5318 mmUS 1444%-4.7 mm
US 14322 mmUS 140%-8.7 mm
US 14.5327 mmUS 140%-13.7 mm
US 15331 mmUS 140%-17.7 mm
US 16335 mmUS 140%-21.7 mm
US 17343 mmUS 140%-29.7 mm
US 18352 mmUS 140%-38.7 mm
US 19360 mmUS 140%-46.7 mm
US 20369 mmUS 140%-55.7 mm

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Frequently Asked Questions

How does the Adilette Comfort size compare to the OOahh?

Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Adilette Comfort has an internal fit offset of 0.88mm compared to 0.16mm for the OOahh.

Do these shoes fit wide feet comfortably?

The Adilette Comfort has a roomy/wide width profile, while the OOahh is snug/narrow.