True-to-Size Millimeter Sizing Comparison

Crocs Work Work Bistro (Unisex) vs Reebok Classic Leather

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

Shoe Amen
Crocs Work Work Bistro (Unisex)
4.0(3,951 reviews)
Fit TendencyRuns Large (+4mm)
Width ProfileWide
View Full Work Bistro (Unisex) Breakdown
Shoe Bunisex
Reebok Classic Leather
4.6(6,454 reviews)
Fit TendencyTrue to Size
Width ProfileNarrow
View Full Classic Leather Breakdown
Fit Verdict

Classic Leather Runs Slightly Smaller

The Classic Leather is about 4mm shorter than the Work Bistro (Unisex). We suggest ordering 1/2 size up in Classic Leather.

Length Delta-4 mm
Width Delta-6 mm

Interactive Size Converter

Select what size you wear in the Work Bistro (Unisex) to see your calculated size in the Classic Leather.

Recommended Size in Reebok Classic Leather
US 11.565% Match

Internal shoe cavity difference: +3.0 mm (slightly roomier)

Alternate option if between sizes: US 11 (88% match)

Complete Size Conversion Matrix

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

Work Bistro (Unisex) (US)Internal CavityClassic Leather EquivalentMatch AccuracyFit Difference
US 7271 mmUS 876%+2.0 mm
US 7.5274 mmUS 8.565%+3.0 mm
US 8277 mmUS 8.5100%0.0 mm
US 8.5281 mmUS 9.576%+2.0 mm
US 9284 mmUS 1065%+3.0 mm
US 9.5287 mmUS 10100%0.0 mm
US 10291 mmUS 1176%+2.0 mm
US 10.5294 mmUS 11.565%+3.0 mm
US 11297 mmUS 11.5100%0.0 mm
US 11.5301 mmUS 12.576%+2.0 mm
US 12304 mmUS 1365%+3.0 mm
US 12.5307 mmUS 13100%0.0 mm
US 13311 mmUS 1476%+2.0 mm
US 14317 mmUS 1453%-4.0 mm

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Frequently Asked Questions

How does the Work Bistro (Unisex) size compare to the Classic Leather?

The Classic Leather is about 4mm shorter than the Work Bistro (Unisex). We suggest ordering 1/2 size up in Classic Leather. The Work Bistro (Unisex) has an internal fit offset of 4mm compared to 0mm for the Classic Leather.

Do these shoes fit wide feet comfortably?

The Work Bistro (Unisex) has a roomy/wide width profile, while the Classic Leather is snug/narrow.