SHOEI HELMETS

ADULT

SizeHead CircumferenceHat Size
2X-Small 20.125 - 20.5in
(51.1 - 52.1cm)
6 3/8 - 6 1/2
X-Small 20.875 - 21.25in
(53.0 - 54.0cm)
6 5/8 - 6 3/4
Small 21.625 - 22in
(54.9 - 55.9cm)
6 7/8 - 7
Medium 22.5 - 22.875in
(57.1 - 58.1cm)
7 1/8 - 7 1/4
Large 23.25 - 23.625in
(59.1 - 60.0cm)
7 3/8 - 7 1/2
X-Large 24 - 24.375in
(61.0 - 61.9cm)
7 5/8 - 7 3/4
2X-Large 24.75 - 25.125in
(62.9 - 63.8cm)
7 7/8 - 8
3X-Large 25.625 - 26in
(65.1 - 66.0cm)
8 1/8 - 8 1/4

Sizing Guide Video