True-to-Size Millimeter Sizing Comparison

Brooks Addiction Walker 2 vs On Cloud 6

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

4.0(3,039 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full Addiction Walker 2 Breakdown
Shoe Bwomen
4.0(384 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full Cloud 6 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+0.68 mm
Width Delta+0.42 mm

Interactive Size Converter

Select what size you wear in the Addiction Walker 2 to see your calculated size in the Cloud 6.

Recommended Size in On Cloud 6
EU 38.592% Match

Internal shoe cavity difference: +0.7 mm (slightly roomier)

Alternate option if between sizes: EU 38 (61% match)

Complete Size Conversion Matrix

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

Addiction Walker 2 (US)Internal CavityCloud 6 EquivalentMatch AccuracyFit Difference
US 4.5232 mmEU 369%+7.7 mm
US 5236 mmEU 3657%+3.7 mm
US 5.5239 mmEU 3692%+0.7 mm
US 6242 mmEU 36.592%+0.7 mm
US 6.5246 mmEU 3792%+0.7 mm
US 7249 mmEU 37.592%+0.7 mm
US 7.5252 mmEU 3892%+0.7 mm
US 8256 mmEU 38.592%+0.7 mm
US 8.5259 mmEU 3992%+0.7 mm
US 9266 mmEU 4092%+0.7 mm
US 9.5269 mmEU 40.592%+0.7 mm
US 10272 mmEU 4192%+0.7 mm
US 10.5276 mmEU 4161%-3.3 mm
US 11279 mmEU 4292%+0.7 mm

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Frequently Asked Questions

How does the Addiction Walker 2 size compare to the Cloud 6?

Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Addiction Walker 2 has an internal fit offset of -0.88mm compared to -0.2mm for the Cloud 6.

Do these shoes fit wide feet comfortably?

The Addiction Walker 2 has a snug/narrow width profile, while the Cloud 6 is roomy/wide.