True-to-Size Millimeter Sizing Comparison

Rockport Big Bucks Margin vs Rockport World Tour Classic Walking Shoe

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

4.0(1,545 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full Big Bucks Margin Breakdown
4.2(3,054 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full World Tour Classic Walking Shoe 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-0.44000000000000006 mm
Width Delta-0.39 mm

Interactive Size Converter

Select what size you wear in the Big Bucks Margin to see your calculated size in the World Tour Classic Walking Shoe.

Recommended Size in Rockport World Tour Classic Walking Shoe
US 1170% Match

Internal shoe cavity difference: +2.6 mm (slightly roomier)

Alternate option if between sizes: US 10.5 (95% match)

Complete Size Conversion Matrix

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

Big Bucks Margin (US)Internal CavityWorld Tour Classic Walking Shoe EquivalentMatch AccuracyFit Difference
US 7267 mmUS 7.570%+2.6 mm
US 7.5270 mmUS 870%+2.6 mm
US 8273 mmUS 895%-0.4 mm
US 8.5277 mmUS 970%+2.6 mm
US 9280 mmUS 9.570%+2.6 mm
US 9.5283 mmUS 9.595%-0.4 mm
US 10287 mmUS 10.570%+2.6 mm
US 10.5290 mmUS 1170%+2.6 mm
US 11293 mmUS 1195%-0.4 mm
US 11.5297 mmUS 1270%+2.6 mm
US 12300 mmUS 12.570%+2.6 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 Big Bucks Margin size compare to the World Tour Classic Walking Shoe?

Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Big Bucks Margin has an internal fit offset of 0.16mm compared to -0.28mm for the World Tour Classic Walking Shoe.

Do these shoes fit wide feet comfortably?

The Big Bucks Margin has a roomy/wide width profile, while the World Tour Classic Walking Shoe is snug/narrow.