The Lifer helmet is available in 3 different shell sizes to accommodate different size heads.  

Measure your head ...

If it measures 18" - 20.25" get an S1 Mini Lifer Helmet

If it measures 20.5"- 23.25" get an S1 Lifer Helmet

If it measures 23.5" - 24.5" get an S1 Mega Lifer Helmet

Fun fact: Most kids ages 6 and under will fit into the S1 Mini Lifer Helmet. And 90% of people ages 7 and up fit into an S1 Lifer Helmet.

If you are buying a helmet for someone and you can't measure their head - follow this general rule of thumb. Ages 6 and under order an S1 Mini Lifer Helmet (and buy a Fit All Kit so they can fit it perfectly) . Ages 7 and up order an S1 Lifer Helmet (and buy a Fit All Kit so they can fit the helmet perfectly). 

 

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