True-to-Size Millimeter Sizing Comparison

Nike Air Max Plus vs Sperry AO 2 Eye Leather MM

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

Shoe Amen
Nike Air Max Plus
4.0(8,456 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full Air Max Plus Breakdown
Shoe Bunisex
Sperry AO 2 Eye Leather MM
4.0(5,519 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full AO 2 Eye Leather MM 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-0.12 mm
Width Delta-0.03 mm

Interactive Size Converter

Select what size you wear in the Air Max Plus to see your calculated size in the AO 2 Eye Leather MM.

Recommended Size in Sperry AO 2 Eye Leather MM
US 1490% Match

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

Alternate option if between sizes: US 13 (39% match)

Complete Size Conversion Matrix

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

Air Max Plus (US)Internal CavityAO 2 Eye Leather MM EquivalentMatch AccuracyFit Difference
US 3.5232 mmUS 3.57%+7.9 mm
US 4236 mmUS 3.554%+3.9 mm
US 4.5240 mmUS 3.599%-0.1 mm
US 5245 mmUS 4.578%+1.9 mm
US 5.5249 mmUS 590%+0.9 mm
US 6253 mmUS 5.599%-0.1 mm
US 6.5257 mmUS 699%-0.1 mm
US 7261 mmUS 6.587%-1.1 mm
US 7.5266 mmUS 790%+0.9 mm
US 8270 mmUS 7.599%-0.1 mm
US 8.5274 mmUS 887%-1.1 mm
US 9278 mmUS 8.587%-1.1 mm
US 9.5283 mmUS 9.599%-0.1 mm
US 10287 mmUS 1099%-0.1 mm
US 10.5291 mmUS 10.587%-1.1 mm
US 11295 mmUS 11.578%+1.9 mm
US 11.5299 mmUS 1290%+0.9 mm
US 12304 mmUS 12.587%-1.1 mm
US 12.5308 mmUS 1387%-1.1 mm
US 13312 mmUS 1490%+0.9 mm
US 13.5316 mmUS 1463%-3.1 mm
US 14321 mmUS 144%-8.1 mm
US 14.5325 mmUS 140%-12.1 mm
US 15329 mmUS 140%-16.1 mm
US 15.5333 mmUS 140%-20.1 mm
US 16338 mmUS 140%-25.1 mm
US 16.5342 mmUS 140%-29.1 mm
US 17346 mmUS 140%-33.1 mm
US 17.5350 mmUS 140%-37.1 mm
US 18355 mmUS 140%-42.1 mm
US 18.5359 mmUS 140%-46.1 mm
US 19363 mmUS 140%-50.1 mm
US 19.5367 mmUS 140%-54.1 mm
US 20371 mmUS 140%-58.1 mm
US 20.5376 mmUS 140%-63.1 mm
US 21380 mmUS 140%-67.1 mm
US 21.5384 mmUS 140%-71.1 mm
US 22388 mmUS 140%-75.1 mm

Related Comparisons

Direct RivalryStan Smith vs Air Max Tuned 1View Sizing ComparisonDirect RivalryGazelle vs Air Max Tuned 1View Sizing Comparisonnike ComparisonAir Force 1 '07 vs Air Max Tuned 1View Sizing ComparisonDirect RivalryChuck Taylor All Star Low-Top vs Air Max Tuned 1View Sizing ComparisonDirect RivalryStan Smith vs AO 2 Eye Leather MMView Sizing ComparisonDirect RivalryGazelle vs AO 2 Eye Leather MMView Sizing Comparison

Frequently Asked Questions

How does the Air Max Plus size compare to the AO 2 Eye Leather MM?

Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Air Max Plus has an internal fit offset of 0.12mm compared to 0mm for the AO 2 Eye Leather MM.

Do these shoes fit wide feet comfortably?

The Air Max Plus has a roomy/wide width profile, while the AO 2 Eye Leather MM is standard medium.