This low-profile helmet features 12 centrally located front and rear ventilation slots covered with smart breathable mesh. The side panels are covered in microfiber suede and the helmet features a GRpx® harness with a vegan leather look. Our harness with patented GRpx® technology offers superior fit and security with self-adjusting cups that lock into the occipital bone located at the base of the skull, so it cannot shift or alter the protection area, offering unsurpassed stability and comfort. It is available in regular and round fit, and additional colors and tailored options are available for custom pricing and delivery upon request. Characteristics: - Elegant low profile - Front and rear ventilation - Microfiber suede side panels - Harness with Soft GRpx® technology - Antimicrobial lining reduces odor. - Complies with multiple security standards The size of the Charles Owen helmets corresponds to the circumference of your head at the height of the forehead, in cm.