KASK - Protone Icon

KASK - Protone Icon The elements are in perfect equilibrium: performance, aerodynamics and safety. The design leaves you in no doubt: Protone Icon is KASK's new classic, an exceptional helmet for road, gravel, cyclocross and MTB cross-country. Every aspect has been redesigned to push performance to the limits. Materials Inner padding material: Polyester Chinstrap material: Faux Leather Shell finish: Shiny Weight Weight: 260 GRAM Standard Detail Standard: CPSC 1203 Finding your perfect fit Discovering the ideal size for your KASK helmet is as easy as measuring the circumference of your head. Position a tape measure just above your ears. In the figure above, the dashed line shows the correct inclination. Helmet Sizing Guide: KASK Protone Icon Size Head Circumference (cm) Head Circumference (inches) S 50–56 cm 19 11/16" – 22 3/64" M 52–58 cm 20 15/32" – 22 53/64" L 59–62 cm 23 15/64" – 24 13/32"