SHOEI Helmet Size Chart

Measure around the widest part of your head, approximately 1 inch above your eyebrows and ears. Use the measurement as a starting point for helmet size, then confirm the fit once the helmet is on.

Size	Head Circumference
XS	53-54 cm
S	55-56 cm
M	57-58 cm
L	59-60 cm
XL	61-62 cm
2XL	63-64 cm
3XL	65-66 cm

Available sizes vary by SHOEI helmet model.