Icon has never been satisfied with the status quo, which is why they created the Icon Alliance Motorcycle Helmet. Continuing with their commitment to excellence, the Alliance is constructed with premier manufacturing processes and stringent quality assurance procedures.
Injection-molded polycarbonate shell for strength.
Wind-tunnel tested and refined.
Twin channel super vent for increased cooling.
Rear exhaust ports prevent heat build-up.
Quick-change fog-free Proshield with side plates.
Prolock shield locking system.
Removable molded breath deflector.
Chin venting system that reduces shield fogging.
Fully removable/washable Hydra-Dry interior.
Meets or exceeds DOT safety and testing standards.
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 5/8" - 22" --------- Small
22 3/8" - 22 3/4" ----- Medium
23 1/8" - 23 1/2" ----- Large
24" - 24 3/8" --------- X-Large
24 3/4" - 25 1/8" ----- XX-Large
25 1/2" - 26" --------- XXX-Large