Quattro Force Control:
- Carbon matrix shell.
- 3D in-molded multi density V-Foam Plus.
- 360° Turbine multiple low energy impact
- 360° Turbine rotational acceleration.
For proper fit and size measure the circumference of your head 1" above your eyebrows and around the largest portion of the back of your head.
20.1" - 20.5" ------- Medium
20.6" - 21.3" ------- Large