True-to-Size Millimeter Sizing Comparison

KEEN Newport H2 vs Reebok Classic Nylon

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

Shoe Amen
KEEN Newport H2
5.0(3,249 reviews)
Fit TendencyRuns Small (-4mm)
Width ProfileStandard (Medium)
View Full Newport H2 Breakdown
Shoe Bmen
Reebok Classic Nylon
5.0(7,279 reviews)
Fit TendencyRuns Small (-4mm)
Width ProfileStandard (Medium)
View Full Classic Nylon Breakdown
Fit Verdict

True to Size Comparison

Both shoes share a very similar length profile. We recommend ordering your standard size in both.

Length Delta0 mm
Width DeltaIdentical

Interactive Size Converter

Select what size you wear in the Newport H2 to see your calculated size in the Classic Nylon.

Recommended Size in Reebok Classic Nylon
US 10.5100% Match

Internal shoe cavity difference: 0.0 mm (snugger)

Complete Size Conversion Matrix

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

Newport H2 (US)Internal CavityClassic Nylon EquivalentMatch AccuracyFit Difference
US 7263 mmUS 7100%0.0 mm
US 7.5266 mmUS 7.5100%0.0 mm
US 8269 mmUS 8100%0.0 mm
US 8.5273 mmUS 8.5100%0.0 mm
US 9276 mmUS 9100%0.0 mm
US 9.5279 mmUS 9.5100%0.0 mm
US 10283 mmUS 10100%0.0 mm
US 10.5286 mmUS 10.5100%0.0 mm
US 11289 mmUS 11100%0.0 mm
US 11.5293 mmUS 11.5100%0.0 mm
US 12296 mmUS 12100%0.0 mm
US 12.5299 mmUS 12.5100%0.0 mm
US 13303 mmUS 13100%0.0 mm
US 14309 mmUS 14100%0.0 mm

Related Comparisons

Direct RivalryStan Smith vs Newport H2View Sizing ComparisonDirect RivalryGazelle vs Newport H2View Sizing ComparisonDirect RivalryNewport H2 vs Daybreak Scuff Motif 2View Sizing ComparisonDirect RivalryNewport H2 vs Classic Slip-OnView Sizing ComparisonDirect RivalryStan Smith vs Classic NylonView Sizing ComparisonDirect RivalryGazelle vs Classic NylonView Sizing Comparison

Frequently Asked Questions

How does the Newport H2 size compare to the Classic Nylon?

Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Newport H2 has an internal fit offset of -4mm compared to -4mm for the Classic Nylon.

Do these shoes fit wide feet comfortably?

The Newport H2 has a standard medium width profile, while the Classic Nylon is standard medium.