True-to-Size Millimeter Sizing Comparison

Crocs Classic Lined Clog vs OOFOS OOriginal Thong

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

Shoe Amen
Crocs Classic Lined Clog
5.0(14,969 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full Classic Lined Clog 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+0.44 mm
Width Delta+0.35 mm

Interactive Size Converter

Select what size you wear in the Classic Lined Clog to see your calculated size in the OOriginal Thong.

Recommended Size in OOFOS OOriginal Thong
US 10.595% Match

Internal shoe cavity difference: +0.4 mm (slightly roomier)

Alternate option if between sizes: US 10 (70% match)

Complete Size Conversion Matrix

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

Classic Lined Clog (US)Internal CavityOOriginal Thong EquivalentMatch AccuracyFit Difference
US 7267 mmUS 795%+0.4 mm
US 7.5270 mmUS 7.595%+0.4 mm
US 8273 mmUS 895%+0.4 mm
US 8.5277 mmUS 8.595%+0.4 mm
US 9280 mmUS 995%+0.4 mm
US 9.5283 mmUS 9.595%+0.4 mm
US 10287 mmUS 1095%+0.4 mm
US 10.5290 mmUS 10.595%+0.4 mm
US 11293 mmUS 1195%+0.4 mm
US 11.5297 mmUS 11.595%+0.4 mm
US 12300 mmUS 1295%+0.4 mm
US 12.5303 mmUS 12.595%+0.4 mm
US 13307 mmUS 1395%+0.4 mm
US 14313 mmUS 1495%+0.4 mm

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Frequently Asked Questions

How does the Classic Lined Clog size compare to the OOriginal Thong?

Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Classic Lined Clog has an internal fit offset of -0.36mm compared to 0.08mm for the OOriginal Thong.

Do these shoes fit wide feet comfortably?

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