Giro Helmets Size Chart

SIZE MEASUREMENTS

YOUTH

XS/SM
49 - 52
M/L
52 - 55.5

ADULT

S
52 - 55.5
M
55.5 - 59
L
59 - 62.5
XL
62.5 - 65

MEASUREMENTS IN CENTIMETERS


Giro PDF Measuring Tape Guide (from Giro.com)

Giro Sizing Guide (click image below for PDF version)