Certified by the most important Certification Bodies, the Rumble Motorcycle Helmet has a removable internal shell which has been ergonomically designed for a uniform and controlled fit of the entire head. The visible aeration slots ensure that incoming air thermo-regulates the inside of the Suomy Rumble Motorcycle Helmet and that the flow of hot air is easily discharged for the rear.
Lightweight Polycarbonate Shell.
DVRC Channeled EPS Liner for maximum air flow with minimal weight.
Removable/washable liner and cheek pads allows custom fit.
Functional intake and exhaust venting keeps the rider cool.
Meets or exceeds DOT standards.
Race approved by every major U.S. race organization!
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. 21 1/4" - 22"............Small 22" - 22 1/2"............Medium 22 7/8" - 23 1/4"........Large 23 5/8" - 24"............X-Large 24" - 24 3/8"............XX-Large
