MET Bike Helmet Size Chart | evo Canada

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To determine the correct helmet size, wrap a measuring tape around your head, keeping the tape just above the ears and level front to back.

Adult Bike Helmets

Helmet Sizing	Size (cm)	Size (in)
S	52 - 56	20.5 - 22
M	56 - 58	22 - 23
L	58 - 61	23 - 24
XL	60 - 64	23.6 - 25.2

Kids Bike Helmets

Helmet Sizing	Size (cm)	Size (in)
XS	46 - 52	18 - 20.5
S	52 - 55	20.5 - 21.6