True-to-Size Millimeter Sizing Comparison

Ryka Devotion X Max RS Walking Shoes vs Ryka Echo Knit Slip On Sneaker

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

Shoe Aunisex
Ryka Devotion X Max RS Walking Shoes
4.0(514 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full Devotion X Max RS Walking Shoes Breakdown
Shoe Bwomen
Ryka Echo Knit Slip On Sneaker
4.9(2,689 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full Echo Knit Slip On Sneaker 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 Devotion X Max RS Walking Shoes to see your calculated size in the Echo Knit Slip On Sneaker.

Recommended Size in Ryka Echo Knit Slip On Sneaker
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.

Devotion X Max RS Walking Shoes (US)Internal CavityEcho Knit Slip On Sneaker EquivalentMatch AccuracyFit Difference
US 3.5240 mmUS 5.5100%0.0 mm
US 4243 mmUS 6100%0.0 mm
US 4.5247 mmUS 6.5100%0.0 mm
US 5250 mmUS 7100%0.0 mm
US 5.5253 mmUS 7.5100%0.0 mm
US 6257 mmUS 8100%0.0 mm
US 6.5260 mmUS 8.5100%0.0 mm
US 7267 mmUS 9100%0.0 mm
US 7.5270 mmUS 9.5100%0.0 mm
US 8273 mmUS 10100%0.0 mm
US 8.5277 mmUS 10.5100%0.0 mm
US 9280 mmUS 11100%0.0 mm
US 9.5283 mmUS 1165%-3.0 mm
US 10287 mmUS 1117%-7.0 mm
US 10.5290 mmUS 110%-10.0 mm
US 11293 mmUS 110%-13.0 mm
US 11.5297 mmUS 110%-17.0 mm
US 12300 mmUS 110%-20.0 mm
US 12.5303 mmUS 110%-23.0 mm
US 13307 mmUS 110%-27.0 mm
US 14313 mmUS 110%-33.0 mm

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Frequently Asked Questions

How does the Devotion X Max RS Walking Shoes size compare to the Echo Knit Slip On Sneaker?

Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Devotion X Max RS Walking Shoes has an internal fit offset of 0mm compared to 0mm for the Echo Knit Slip On Sneaker.

Do these shoes fit wide feet comfortably?

The Devotion X Max RS Walking Shoes has a standard medium width profile, while the Echo Knit Slip On Sneaker is standard medium.