True-to-Size Millimeter Sizing Comparison

ECCO Sport Yucatan vs OOFOS OOriginal Thong

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

Shoe Aunisex
ECCO Sport Yucatan
4.5(1,726 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full Yucatan Breakdown
Shoe Bmen
OOFOS OOriginal Thong
5.0(8,852 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full OOriginal Thong 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+0.28 mm
Width Delta+0.21 mm

Interactive Size Converter

Select what size you wear in the Yucatan to see your calculated size in the OOriginal Thong.

Recommended Size in OOFOS OOriginal Thong
US 8.597% 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.

Yucatan (US)Internal CavityOOriginal Thong EquivalentMatch AccuracyFit Difference
US 3.5240 mmUS 70%+27.3 mm
US 4243 mmUS 70%+24.3 mm
US 4.5247 mmUS 70%+20.3 mm
US 5250 mmUS 70%+17.3 mm
US 5.5253 mmUS 70%+14.3 mm
US 6257 mmUS 70%+10.3 mm
US 6.5260 mmUS 714%+7.3 mm
US 7267 mmUS 797%+0.3 mm
US 7.5270 mmUS 7.597%+0.3 mm
US 8273 mmUS 897%+0.3 mm
US 8.5277 mmUS 8.597%+0.3 mm
US 9280 mmUS 997%+0.3 mm
US 9.5283 mmUS 9.597%+0.3 mm
US 10287 mmUS 1097%+0.3 mm
US 10.5290 mmUS 10.597%+0.3 mm
US 11293 mmUS 1197%+0.3 mm
US 11.5297 mmUS 11.597%+0.3 mm
US 12300 mmUS 1297%+0.3 mm
US 12.5303 mmUS 12.597%+0.3 mm
US 13307 mmUS 1397%+0.3 mm
US 14313 mmUS 1497%+0.3 mm

Related Comparisons

Direct RivalryClassic Clogs vs YucatanView Sizing ComparisonDirect RivalryAdilette Comfort vs YucatanView Sizing ComparisonDirect RivalryAdilette Aqua vs YucatanView Sizing ComparisonDirect RivalryClassic Lined Clog vs YucatanView Sizing ComparisonDirect RivalryClassic Clogs vs OOriginal ThongView Sizing ComparisonDirect RivalryAdilette Comfort vs OOriginal ThongView Sizing Comparison

Frequently Asked Questions

How does the Yucatan size compare to the OOriginal Thong?

Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Yucatan has an internal fit offset of -0.2mm compared to 0.08mm for the OOriginal Thong.

Do these shoes fit wide feet comfortably?

The Yucatan has a snug/narrow width profile, while the OOriginal Thong is roomy/wide.