True-to-Size Millimeter Sizing Comparison

Dr. Martens 2976 Chelsea vs Timberland PRO Radius Composite Safety Toe

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

4.7(957 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full 2976 Chelsea Breakdown
4.0(2,455 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full Radius Composite Safety Toe 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 Delta-0.12 mm

Interactive Size Converter

Select what size you wear in the 2976 Chelsea to see your calculated size in the Radius Composite Safety Toe.

Recommended Size in Timberland PRO Radius Composite Safety Toe
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.

2976 Chelsea (US)Internal CavityRadius Composite Safety Toe 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

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Frequently Asked Questions

How does the 2976 Chelsea size compare to the Radius Composite Safety Toe?

Both shoes share a very similar length profile. We recommend ordering your standard size in both. The 2976 Chelsea has an internal fit offset of -0.08mm compared to -0.08mm for the Radius Composite Safety Toe.

Do these shoes fit wide feet comfortably?

The 2976 Chelsea has a snug/narrow width profile, while the Radius Composite Safety Toe is snug/narrow.