Protec Prime Helmet Size Guide
To ensure a perfect fit, measure the circumference of your head starting in the middle of your forehead.
XS/S
20.5-22in (52cm - 56cm)
M/L
22-23.6 in (56cm - 60cm)
To ensure a perfect fit, measure the circumference of your head starting in the middle of your forehead.
XS/S
20.5-22in (52cm - 56cm)
M/L
22-23.6 in (56cm - 60cm)