True-to-Size Millimeter Sizing Comparison

New Balance 608v5 vs The North Face ThermoBall™ Traction Mule V

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

Shoe Amen
New Balance 608v5
4.3(6,315 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full 608v5 Breakdown
Shoe Bunisex
The North Face ThermoBall™ Traction Mule V
4.8(5,040 reviews)
Fit TendencyRuns Small (-4mm)
Width ProfileStandard (Medium)
View Full ThermoBall™ Traction Mule V Breakdown
Fit Verdict

ThermoBall™ Traction Mule V Runs Slightly Smaller

The ThermoBall™ Traction Mule V is about 4mm shorter than the 608v5. We suggest ordering 1/2 size up in ThermoBall™ Traction Mule V.

Length Delta-4 mm
Width DeltaIdentical

Interactive Size Converter

Select what size you wear in the 608v5 to see your calculated size in the ThermoBall™ Traction Mule V.

Recommended Size in The North Face ThermoBall™ Traction Mule V
US 1188% Match

Internal shoe cavity difference: -1.0 mm (snugger)

Alternate option if between sizes: US 11.5 (65% match)

Complete Size Conversion Matrix

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

608v5 (US)Internal CavityThermoBall™ Traction Mule V EquivalentMatch AccuracyFit Difference
US 7267 mmUS 7.588%-1.0 mm
US 7.5270 mmUS 888%-1.0 mm
US 8273 mmUS 8.5100%0.0 mm
US 8.5277 mmUS 988%-1.0 mm
US 9280 mmUS 9.588%-1.0 mm
US 9.5283 mmUS 10100%0.0 mm
US 10287 mmUS 10.588%-1.0 mm
US 10.5290 mmUS 1188%-1.0 mm
US 11293 mmUS 11.5100%0.0 mm
US 11.5297 mmUS 1288%-1.0 mm
US 12300 mmUS 12.588%-1.0 mm
US 12.5303 mmUS 13100%0.0 mm
US 13307 mmUS 1476%+2.0 mm
US 14313 mmUS 1453%-4.0 mm

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Frequently Asked Questions

How does the 608v5 size compare to the ThermoBall™ Traction Mule V?

The ThermoBall™ Traction Mule V is about 4mm shorter than the 608v5. We suggest ordering 1/2 size up in ThermoBall™ Traction Mule V. The 608v5 has an internal fit offset of 0mm compared to -4mm for the ThermoBall™ Traction Mule V.

Do these shoes fit wide feet comfortably?

The 608v5 has a standard medium width profile, while the ThermoBall™ Traction Mule V is standard medium.