True-to-Size Millimeter Sizing Comparison

UGG Ansley vs UGG Bailey Bow II

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

Shoe Awomen
4.0(8,435 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full Ansley Breakdown
Shoe Bunisex
4.8(8,135 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full Bailey Bow II 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+0.88 mm
Width Delta+0.15 mm

Interactive Size Converter

Select what size you wear in the Ansley to see your calculated size in the Bailey Bow II.

Recommended Size in UGG Bailey Bow II
US 1090% Match

Internal shoe cavity difference: +0.9 mm (slightly roomier)

Alternate option if between sizes: US 9 (39% match)

Complete Size Conversion Matrix

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

Ansley (US)Internal CavityBailey Bow II EquivalentMatch AccuracyFit Difference
EU 36239 mmUS 590%+0.9 mm
EU 37246 mmUS 690%+0.9 mm
EU 38252 mmUS 790%+0.9 mm
EU 39259 mmUS 890%+0.9 mm
EU 40266 mmUS 990%+0.9 mm
EU 41272 mmUS 1090%+0.9 mm
EU 42279 mmUS 1190%+0.9 mm
EU 43286 mmUS 1090%+0.9 mm
EU 44292 mmUS 1190%+0.9 mm
EU 45299 mmUS 1290%+0.9 mm

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Frequently Asked Questions

How does the Ansley size compare to the Bailey Bow II?

Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Ansley has an internal fit offset of -0.76mm compared to 0.12mm for the Bailey Bow II.

Do these shoes fit wide feet comfortably?

The Ansley has a snug/narrow width profile, while the Bailey Bow II is snug/narrow.