True-to-Size Millimeter Sizing Comparison

Birkenstock Mayari - Birko-Flor™ & Birkibuc™ vs KEEN Rose Sandals

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

5.0(5,912 reviews)
Fit TendencyRuns Large (+4mm)
Width ProfileStandard (Medium)
View Full Mayari - Birko-Flor™ & Birkibuc™ Breakdown
Shoe Bunisex
4.4(2,013 reviews)
Fit TendencyRuns Small (-4mm)
Width ProfileStandard (Medium)
View Full Rose Sandals Breakdown
Fit Verdict

Rose Sandals Runs Noticeably Smaller

The Rose Sandals is about 8mm shorter than the Mayari - Birko-Flor™ & Birkibuc™. We suggest ordering 1 full size up in Rose Sandals.

Length Delta-8 mm
Width DeltaIdentical

Interactive Size Converter

Select what size you wear in the Mayari - Birko-Flor™ & Birkibuc™ to see your calculated size in the Rose Sandals.

Recommended Size in KEEN Rose Sandals
US 776% Match

Internal shoe cavity difference: +2.0 mm (slightly roomier)

Alternate option if between sizes: US 6.5 (41% match)

Complete Size Conversion Matrix

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

Mayari - Birko-Flor™ & Birkibuc™ (US)Internal CavityRose Sandals EquivalentMatch AccuracyFit Difference
US 4.5237 mmUS 3.588%-1.0 mm
US 5241 mmUS 476%-2.0 mm
US 5.5244 mmUS 4.588%-1.0 mm
US 6247 mmUS 588%-1.0 mm
US 6.5251 mmUS 5.576%-2.0 mm
US 7254 mmUS 688%-1.0 mm
US 7.5257 mmUS 6.588%-1.0 mm
US 8261 mmUS 776%+2.0 mm
US 8.5264 mmUS 788%-1.0 mm
US 9271 mmUS 876%-2.0 mm
US 9.5274 mmUS 8.588%-1.0 mm
US 10277 mmUS 988%-1.0 mm
US 10.5281 mmUS 9.576%-2.0 mm
US 11284 mmUS 1088%-1.0 mm

Related Comparisons

Frequently Asked Questions

How does the Mayari - Birko-Flor™ & Birkibuc™ size compare to the Rose Sandals?

The Rose Sandals is about 8mm shorter than the Mayari - Birko-Flor™ & Birkibuc™. We suggest ordering 1 full size up in Rose Sandals. The Mayari - Birko-Flor™ & Birkibuc™ has an internal fit offset of 4mm compared to -4mm for the Rose Sandals.

Do these shoes fit wide feet comfortably?

The Mayari - Birko-Flor™ & Birkibuc™ has a standard medium width profile, while the Rose Sandals is standard medium.