Size M (54-58cm) Multi Shell In-Mold: Manufacturing process in which shock-absorbing helmet material (EPS) is foamed into multiple polycarbonate outer shells - for a long-lasting, robust bond Zoom Ace Urban: finely adjustable, height-adjustable adjustment system with easy-grip adjustment wheel for individual fit. Helmet fits well on ponytail wearers - height-adjustable adjustment system at the back of the head creates space for ponytails Visor to protect the face from rain, wind and insects Wide-angle LED light with high power and magnetic attachment Depending on the mode, the light has a maximum luminosity of nine lumens. The four modes are Eco Mode, Power Mode, Blink Mode and Pulsing Mode LED light recharges quickly via micro USB. The colour of the LED indicates when the charging process is finished ActiCage: Reinforcement of the helmet structure, which is integrated into the EPS hard foam of a helmet. The cage architecture creates space for large ventilation openings and serves to stabilise the helmet. TriVider: flat webbing divider, not height-adjustable - however, it allows the webbing to be moved laterally (to the right or left) to fit the position of the ear