True-to-Size Millimeter Sizing Comparison

Birkenstock Mayari - Birko-Flor™ & Birkibuc™ vs Mix No. 6 Aliciana Sandal

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

Shoe Awomen
Birkenstock Mayari - Birko-Flor™ & Birkibuc™
5.0(5,912 reviews)
Fit TendencyRuns Large (+4mm)
Width ProfileStandard (Medium)
View Full Mayari - Birko-Flor™ & Birkibuc™ Breakdown
Shoe Bwomen
Mix No. 6 Aliciana Sandal
4.5(2,374 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full Aliciana Sandal Breakdown
Fit Verdict

Aliciana Sandal Runs Slightly Smaller

The Aliciana Sandal is about 4mm shorter than the Mayari - Birko-Flor™ & Birkibuc™. We suggest ordering 1/2 size up in Aliciana Sandal.

Length Delta-4 mm
Width DeltaIdentical

Interactive Size Converter

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

Recommended Size in Mix No. 6 Aliciana Sandal
US 8.588% Match

Internal shoe cavity difference: -1.0 mm (snugger)

Complete Size Conversion Matrix

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

Mayari - Birko-Flor™ & Birkibuc™ (US)Internal CavityAliciana Sandal EquivalentMatch AccuracyFit Difference
US 4.5237 mmUS 5100%0.0 mm
US 5241 mmUS 5.588%-1.0 mm
US 5.5244 mmUS 688%-1.0 mm
US 6247 mmUS 6.5100%0.0 mm
US 6.5251 mmUS 788%-1.0 mm
US 7254 mmUS 7.588%-1.0 mm
US 7.5257 mmUS 8100%0.0 mm
US 8261 mmUS 8.588%-1.0 mm
US 8.5264 mmUS 965%+3.0 mm
US 9271 mmUS 9.588%-1.0 mm
US 9.5274 mmUS 1088%-1.0 mm
US 10277 mmUS 10.5100%0.0 mm
US 10.5281 mmUS 1188%-1.0 mm
US 11284 mmUS 1153%-4.0 mm

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Frequently Asked Questions

How does the Mayari - Birko-Flor™ & Birkibuc™ size compare to the Aliciana Sandal?

The Aliciana Sandal is about 4mm shorter than the Mayari - Birko-Flor™ & Birkibuc™. We suggest ordering 1/2 size up in Aliciana Sandal. The Mayari - Birko-Flor™ & Birkibuc™ has an internal fit offset of 4mm compared to 0mm for the Aliciana Sandal.

Do these shoes fit wide feet comfortably?

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