The product of an extremely successful collaboration with the renowned team Sky, the Kask Protone sets the standard for ventilation, heat dissipation and aerodynamics. Tested in Jaguar’s wind tunnel with their CFD expertise, the Protone has an extremely low drag coefficient and thanks to its large openings, a reduced contact surface on the head. Equipped with Kask’s Octofit system, ECO chinstrap, Coolmax interior padding and 3D Dry technology, the Protone will keep you safe in the most comfortable and stylish way.