True-to-Size Millimeter Sizing Comparison

Steve Madden Rileey Sandal vs Steve Madden Sienna Sandal

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

Shoe Awomen
Steve Madden Rileey Sandal
4.5(387 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full Rileey Sandal Breakdown
Shoe Bwomen
Steve Madden Sienna Sandal
4.5(375 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full Sienna Sandal 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 Rileey Sandal to see your calculated size in the Sienna Sandal.

Recommended Size in Steve Madden Sienna Sandal
US 8100% Match

Internal shoe cavity difference: 0.0 mm (snugger)

Complete Size Conversion Matrix

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

Rileey Sandal (US)Internal CavitySienna Sandal EquivalentMatch AccuracyFit Difference
US 4.5233 mmUS 4.5100%0.0 mm
US 5237 mmUS 5100%0.0 mm
US 5.5240 mmUS 5.5100%0.0 mm
US 6243 mmUS 6100%0.0 mm
US 6.5247 mmUS 6.5100%0.0 mm
US 7250 mmUS 7100%0.0 mm
US 7.5253 mmUS 7.5100%0.0 mm
US 8257 mmUS 8100%0.0 mm
US 8.5260 mmUS 8.5100%0.0 mm
US 9267 mmUS 9100%0.0 mm
US 9.5270 mmUS 9.5100%0.0 mm
US 10273 mmUS 10100%0.0 mm
US 10.5277 mmUS 10.5100%0.0 mm
US 11280 mmUS 11100%0.0 mm

Frequently Asked Questions

How does the Rileey Sandal size compare to the Sienna Sandal?

Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Rileey Sandal has an internal fit offset of 0mm compared to 0mm for the Sienna Sandal.

Do these shoes fit wide feet comfortably?

The Rileey Sandal has a standard medium width profile, while the Sienna Sandal is standard medium.