True-to-Size Millimeter Sizing Comparison

Nike Air Max Plus vs Reef Fanning

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
Reef Fanning
4.6(3,488 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full Fanning 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-0.24 mm
Width Delta-0.12 mm

Interactive Size Converter

Select what size you wear in the Air Max Plus to see your calculated size in the Fanning.

Recommended Size in Reef Fanning
US 1491% Match

Internal shoe cavity difference: +0.8 mm (slightly roomier)

Alternate option if between sizes: US 13 (38% match)

Complete Size Conversion Matrix

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

Air Max Plus (US)Internal CavityFanning EquivalentMatch AccuracyFit Difference
US 3.5232 mmUS 3.58%+7.8 mm
US 4236 mmUS 3.556%+3.8 mm
US 4.5240 mmUS 3.597%-0.2 mm
US 5245 mmUS 4.579%+1.8 mm
US 5.5249 mmUS 591%+0.8 mm
US 6253 mmUS 5.597%-0.2 mm
US 6.5257 mmUS 697%-0.2 mm
US 7261 mmUS 6.585%-1.2 mm
US 7.5266 mmUS 791%+0.8 mm
US 8270 mmUS 7.597%-0.2 mm
US 8.5274 mmUS 8.567%+2.8 mm
US 9278 mmUS 979%+1.8 mm
US 9.5283 mmUS 9.597%-0.2 mm
US 10287 mmUS 1097%-0.2 mm
US 10.5291 mmUS 1179%+1.8 mm
US 11295 mmUS 11.579%+1.8 mm
US 11.5299 mmUS 1291%+0.8 mm
US 12304 mmUS 1367%+2.8 mm
US 12.5308 mmUS 1444%+4.8 mm
US 13312 mmUS 1491%+0.8 mm
US 13.5316 mmUS 1462%-3.2 mm
US 14321 mmUS 143%-8.2 mm
US 14.5325 mmUS 140%-12.2 mm
US 15329 mmUS 140%-16.2 mm
US 15.5333 mmUS 140%-20.2 mm
US 16338 mmUS 140%-25.2 mm
US 16.5342 mmUS 140%-29.2 mm
US 17346 mmUS 140%-33.2 mm
US 17.5350 mmUS 140%-37.2 mm
US 18355 mmUS 140%-42.2 mm
US 18.5359 mmUS 140%-46.2 mm
US 19363 mmUS 140%-50.2 mm
US 19.5367 mmUS 140%-54.2 mm
US 20371 mmUS 140%-58.2 mm
US 20.5376 mmUS 140%-63.2 mm
US 21380 mmUS 140%-67.2 mm
US 21.5384 mmUS 140%-71.2 mm
US 22388 mmUS 140%-75.2 mm

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Frequently Asked Questions

How does the Air Max Plus size compare to the Fanning?

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 -0.12mm for the Fanning.

Do these shoes fit wide feet comfortably?

The Air Max Plus has a roomy/wide width profile, while the Fanning is snug/narrow.