True-to-Size Millimeter Sizing Comparison

Crocs Classic Clogs vs OOFOS OOahh Slide

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

5.0(41,629 reviews)
Fit TendencyTrue to Size
Width ProfileWide
View Full Classic Clogs Breakdown
5.0(8,276 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full OOahh Slide Breakdown
Fit Verdict

True to Size Comparison

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

Length Delta0 mm
Width Delta-3 mm

Interactive Size Converter

Select what size you wear in the Classic Clogs to see your calculated size in the OOahh Slide.

Recommended Size in OOFOS OOahh Slide
US 10.5100% Match

Internal shoe cavity difference: 0.0 mm (snugger)

Complete Size Conversion Matrix

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

Classic Clogs (US)Internal CavityOOahh Slide EquivalentMatch AccuracyFit Difference
US 7267 mmUS 7100%0.0 mm
US 7.5270 mmUS 7.5100%0.0 mm
US 8273 mmUS 8100%0.0 mm
US 8.5277 mmUS 8.5100%0.0 mm
US 9280 mmUS 9100%0.0 mm
US 9.5283 mmUS 9.5100%0.0 mm
US 10287 mmUS 10100%0.0 mm
US 10.5290 mmUS 10.5100%0.0 mm
US 11293 mmUS 11100%0.0 mm
US 11.5297 mmUS 11.5100%0.0 mm
US 12300 mmUS 12100%0.0 mm
US 12.5303 mmUS 12.5100%0.0 mm
US 13307 mmUS 13100%0.0 mm
US 14313 mmUS 14100%0.0 mm

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Frequently Asked Questions

How does the Classic Clogs size compare to the OOahh Slide?

Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Classic Clogs has an internal fit offset of 0mm compared to 0mm for the OOahh Slide.

Do these shoes fit wide feet comfortably?

The Classic Clogs has a roomy/wide width profile, while the OOahh Slide is standard medium.