For M size shells, the foam sizes will range from 51 to 58. For L size shells, the foam sizes will range from 59 to 62.The KEP Cromo Diamond Polish Visor Polo 2.0 helmet is the evolution of the Cromo helmet.Extremely stylish with its shell featuring sparkling reflections.It’s the perfect riding helmet to accompany your training sessions and follow you in competitions.With its polo visor, it ensures femininity and protection from the sun.You can now change the visor yourself, switching from a standard visor to a polo visor and vice versa.The helmet remains lightweight and durable thanks to its outer shell made of polycarbonate.It offers great comfort due to the airflow facilitated by the front and rear ventilation grids.This helmet features brand new technology, equipped with an integrated chip that transfers the rider's health information, very useful in case of first aid interventions! Just download the Kep app.Additionally, the Kep Air Control System is present on this helmet...