True-to-Size Millimeter Sizing Comparison

Salomon Speedcross 6 vs Salomon XA Pro 3D V9 GORE-TEX®

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

Shoe Aunisex
Salomon Speedcross 6
4.5(471 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full Speedcross 6 Breakdown
Shoe Bmen
Salomon XA Pro 3D V9 GORE-TEX®
4.0(277 reviews)
Fit TendencyRuns Small (-4mm)
Width ProfileNarrow
View Full XA Pro 3D V9 GORE-TEX® Breakdown
Fit Verdict

XA Pro 3D V9 GORE-TEX® Runs Slightly Smaller

The XA Pro 3D V9 GORE-TEX® is about 4mm shorter than the Speedcross 6. We suggest ordering 1/2 size up in XA Pro 3D V9 GORE-TEX®.

Length Delta-4 mm
Width Delta-3 mm

Interactive Size Converter

Select what size you wear in the Speedcross 6 to see your calculated size in the XA Pro 3D V9 GORE-TEX®.

Recommended Size in Salomon XA Pro 3D V9 GORE-TEX®
US 9.576% Match

Internal shoe cavity difference: +2.0 mm (slightly roomier)

Alternate option if between sizes: US 9 (88% match)

Complete Size Conversion Matrix

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

Speedcross 6 (US)Internal CavityXA Pro 3D V9 GORE-TEX® EquivalentMatch AccuracyFit Difference
US 3.5240 mmUS 70%+23.0 mm
US 4243 mmUS 70%+20.0 mm
US 4.5247 mmUS 70%+16.0 mm
US 5250 mmUS 70%+13.0 mm
US 5.5253 mmUS 70%+10.0 mm
US 6257 mmUS 729%+6.0 mm
US 6.5260 mmUS 765%+3.0 mm
US 7267 mmUS 876%+2.0 mm
US 7.5270 mmUS 8.565%+3.0 mm
US 8273 mmUS 8.5100%0.0 mm
US 8.5277 mmUS 9.576%+2.0 mm
US 9280 mmUS 1065%+3.0 mm
US 9.5283 mmUS 10100%0.0 mm
US 10287 mmUS 1176%+2.0 mm
US 10.5290 mmUS 11.565%+3.0 mm
US 11293 mmUS 11.5100%0.0 mm
US 11.5297 mmUS 12.576%+2.0 mm
US 12300 mmUS 1365%+3.0 mm
US 12.5303 mmUS 13100%0.0 mm
US 13307 mmUS 1476%+2.0 mm
US 14313 mmUS 1453%-4.0 mm

Related Comparisons

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Frequently Asked Questions

How does the Speedcross 6 size compare to the XA Pro 3D V9 GORE-TEX®?

The XA Pro 3D V9 GORE-TEX® is about 4mm shorter than the Speedcross 6. We suggest ordering 1/2 size up in XA Pro 3D V9 GORE-TEX®. The Speedcross 6 has an internal fit offset of 0mm compared to -4mm for the XA Pro 3D V9 GORE-TEX®.

Do these shoes fit wide feet comfortably?

The Speedcross 6 has a standard medium width profile, while the XA Pro 3D V9 GORE-TEX® is snug/narrow.