Adult Helmets

	XS	S	M	L	XL	XXL
Inches	20.5 - 21.3	21.3 - 22	22 - 22.8	22.8 - 23.6	23.6 - 24.4	24.4 - 25.2
Centimeters	52 - 54	54 - 56	56 - 58	58 - 60	60 - 62	62 - 64

 

Junior Helmets

	S		M
	Comfort Pad Set 1	Comfort Pad Set 2	Comfort Pad Set 1	Comfort Pad Set 2
Inches	18.5 - 19.3	19.3 - 20	20.5 - 21.3	21.7 - 22
Centimeters	47 - 49	49 - 51	52 - 54	54 - 56