Size Chart (Apparel) - Giro Helmet

Adult Helmet Chart

ADULT SUPER FIT SIZE CIRCUMFERENCE
S 51 - 55 cm
M 55 - 59 cm
L 59 - 63 cm
XL 63 - 65 cm

 



Adult Universal Helmet Chart

ADULT UNIVERSAL CIRCUMFERENCE
Women Adult 50 - 57 cm
Unisex 54 - 61 cm
Extra Large 58 - 65 cm

 

 


Youth Helmet Chart

YOUTH SIZE CIRCUMFERENCE
XS (Scamp Model) 45 - 49 cm
S (Scamp Model) 49 - 53 cm
XS (Dime Model) 47 - 51 cm
S (Dime Model) 51 - 55 cm
Universal Child 47 - 54 cm
Universal Youth (Ages 5+) 50 - 57 cm

*All measurements shown are in cm unless otherwise stated.