Kask Protone Icon Helmet Size:SM The strapless design fits the

The strapless design fits the natural contour of your hand and teaches you to apply even pressure throughout your pull

provides widest resistance range and road-like feel

It features progressive geometry

triathlon and aero road bikes are designed so that the rider and bike (as an integrated system) present the smallest frontal area possible

Kask Protone Icon Helmet Size:SM The strapless design fits theThe new synonym for victory, the Protone Icon helmet features the latest technological advances in safety, ventilation, and aerodynamics to make it an icon of road cycling. The Protone Icon takes its design from KASKs winning Protone helmet and has improved upon it in every way possible.