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Arai Helmets Size Chart

View All Arai Helmets

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

Adult Helmets

Wrap a cloth measuring tape around your head just above your eyebrows. Pull the tape comfortably snug, and read the length.

Size Head (in) Head (cm)
2XS 20 - 20 1/2 51 - 52
XS 20 7/8 - 21 1/4 53 - 54
SM 21 5/8 - 22 55 - 56
MD 22 1/2 - 22 7/8 57 - 58
LG 23 1/4 - 23 5/8 59 - 60
XL 24 - 24 3/8 61 - 62
2XL 24 3/4 - 25 1/8 63 - 64
3XL 25 1/2 - 26 65 - 66

Interior Comfort Lining Cheekpad / Ear Cup Thickness

Corsair V Cheek Pad Thickness

Size  Thicker  Standard  Thinner
XS 35MM 30MM 25MM
SM 35MM 30MM 25MM
MD 35MM 30MM 25MM
LG 30MM 25MM 20MM
XL 30MM 25MM 20MM
2XL 30MM 25MM 20MM
3XL 25MM 20MM 15MM

RX-Q Cheek Pad Thickness

Size  Thicker  Standard  Thinner
XS 35MM 30MM 25MM
SM 35MM 30MM 25MM
MD 35MM 30MM 25MM
LG 30MM 25MM 20MM
XL 30MM 25MM 20MM
2XL 30MM 25MM 20MM
3XL 25MM 20MM 15MM

Profile Cheek Pad Thickness

Size  Thicker  Standard  Thinner
XS 40MM 35MM 30MM
SM 35MM 30MM 25MM
MD 35MM 30MM 25MM
LG 30MM 25MM 20MM
XL 30MM 25MM 20MM
2XL 30MM 25MM 20MM
3XL 25MM 20MM 15MM

Vector 2 Cheek Pad Thickness

Size  Thicker  Standard  Thinner
XS 35MM 30MM 25MM
SM 35MM 30MM 25MM
MD 35MM 30MM 25MM
LG 30MM 25MM 20MM
XL 30MM 25MM 20MM
2XL 30MM 25MM 20MM
3XL 25MM 20MM 15MM

XC & XC-RAM Cheek Pad Thickness

Size  Thicker  Standard  Thinner
XS 30MM 25MM 20MM
SM 30MM 25MM 20MM
MD 35MM 30MM 25MM
LG 30MM 25MM 20MM
XL 30MM 25MM 20MM
2XL 30MM 25MM 20MM
3XL 25MM 20MM 15MM

XD-4 Cheek Pad Thickness

Size  Thicker  Standard  Thinner
XS 30MM 25MM 20MM
SM 30MM 25MM 20MM
MD 30MM 25MM 20MM
LG 25MM 20MM 15MM
XL 25MM 20MM 15MM
2XL 20MM 15MM 12MM

Arai XC / XD-4 Comfort Liner Sizing

Helmet Size  Lining Code 12 mm 10 mm 7 mm 5 mm
XS I Optional Standard
S II Optional Standard Optional
M III Optional  Standard Optional Optional
L III Optional Optional Standard Optional
XL IV Optional Standard Optional
XXL V Optional Standard Optional
XXXL V Optional  Standard

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

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