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Simpson Helmets Size Chart


Simpson Helmet Sizing

View all Simpson Helmets
Size Head (cm)
XS 52-54
SM 54-56
MD 56-58
LG 58-60
XL 60-62
2XL 62-64

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.


How to Measure

  • H Head
    Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, repeat for good measure and use the largest measurement.