Kask

Protone Icon Helmet

What Our Gearhead® Experts Are Saying:

"This helmet feels like air on my head—super light and incredibly breathable. The OCTOFIT+ system keeps it snug on fast descents without hotspots, and the new shape slices through wind better than most aero lids I’ve tested. It’s my go-to for long summer rides."

Refined for the demands of serious road cyclists, the Protone Icon Helmet from Kask builds on its legacy with improved aerodynamics, enhanced ventilation, and a newly engineered internal structure. This road lid balances a race-tuned profile with everyday comfort, making it equally suited to century rides, crit races, or aggressive training blocks.

The in-mold polycarbonate shell and EPS liner deliver impact protection without excess weight, while a redesigned inner frame adds rigidity for added safety under rotational stress. Ventilation channels have been deepened and optimized, pulling air through the helmet even during grueling climbs or high-output efforts. Kask's proprietary WG11 rotational impact testing gives added peace of mind, while the helmet remains CPSC-certified for on-road protection.

A standout feature is the OCTOFIT+ adjustment system, which secures the helmet with a refined cradle and tension dial that adjusts evenly around the head—ideal for seamless transitions between cool-weather caps and bareheaded summer spins. Fast-wicking Coolmax padding keeps sweat from soaking your glasses or lenses, though heavy sweaters may still prefer a sweatband on hard efforts.

From its sleek Italian styling to its race-worthy performance, the Protone Icon remains one of the most balanced high-end road helmets available—blending low-drag performance with exceptional everyday comfort.