Triple 8 Helmet Size Chart

Single Size Helmets

Size Head Circumference (inches) Head Circumference (centimeters)
XS 20.10 - 20.50 51 - 52
S 20.60 - 21.30 52 - 54
M 21.40 - 22.00 54 - 56
L 22.10 - 22.90 56 - 58
XL 23.00 - 24.00 58 - 60

Adjustable Size Helmets

Size Head Circumference (inches) Head Circumference (centimeters)
XS/S 18.9 - 21.3 48 - 54
S/M 21.7 - 22.8 55 - 58
L/XL 23.2 - 24 59 - 61

Note: To ensure a perfect fit, measure the circumference of your head starting in the middle of your forehead and match it with the sizes above.

Triple 8 Helmet Fit Guide