True-to-Size Millimeter Sizing Comparison

KEEN Rose Sandals vs OOFOS OOahh Slide

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

Shoe Aunisex
KEEN Rose Sandals
4.4(2,013 reviews)
Fit TendencyRuns Small (-4mm)
Width ProfileStandard (Medium)
View Full Rose Sandals Breakdown
Shoe Bmen
OOFOS OOahh Slide
5.0(8,276 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full OOahh Slide Breakdown
Fit Verdict

OOahh Slide Runs Slightly Larger

The OOahh Slide provides about 4mm more internal length than the Rose Sandals. We suggest ordering 1/2 size down in OOahh Slide.

Length Delta+4 mm
Width DeltaIdentical

Interactive Size Converter

Select what size you wear in the Rose Sandals to see your calculated size in the OOahh Slide.

Recommended Size in OOFOS OOahh Slide
US 8100% Match

Internal shoe cavity difference: 0.0 mm (snugger)

Complete Size Conversion Matrix

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

Rose Sandals (US)Internal CavityOOahh Slide EquivalentMatch AccuracyFit Difference
US 3.5236 mmUS 70%+31.0 mm
US 4239 mmUS 70%+28.0 mm
US 4.5243 mmUS 70%+24.0 mm
US 5246 mmUS 70%+21.0 mm
US 5.5249 mmUS 70%+18.0 mm
US 6253 mmUS 70%+14.0 mm
US 6.5256 mmUS 70%+11.0 mm
US 7263 mmUS 753%+4.0 mm
US 7.5266 mmUS 788%+1.0 mm
US 8269 mmUS 7.588%+1.0 mm
US 8.5273 mmUS 8100%0.0 mm
US 9276 mmUS 8.588%+1.0 mm
US 9.5279 mmUS 988%+1.0 mm
US 10283 mmUS 9.5100%0.0 mm
US 10.5286 mmUS 1088%+1.0 mm
US 11289 mmUS 10.588%+1.0 mm
US 11.5293 mmUS 11100%0.0 mm
US 12296 mmUS 11.588%+1.0 mm
US 12.5299 mmUS 1288%+1.0 mm
US 13303 mmUS 12.5100%0.0 mm
US 14309 mmUS 1376%-2.0 mm

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Frequently Asked Questions

How does the Rose Sandals size compare to the OOahh Slide?

The OOahh Slide provides about 4mm more internal length than the Rose Sandals. We suggest ordering 1/2 size down in OOahh Slide. The Rose Sandals has an internal fit offset of -4mm compared to 0mm for the OOahh Slide.

Do these shoes fit wide feet comfortably?

The Rose Sandals has a standard medium width profile, while the OOahh Slide is standard medium.