Get modern styling and functional head protection with the Track Helmet from Bell Sports. Simply turn the dial to adjust the helmet to the perfect fit every time. The helmet stays snug with the easily adjustable chin strap and your head stays cool with front to back ventilation. The Track Helmet comes with a visor to shield your eyes from the sun and other elements, as well as reflectors for increased visibility in low light. The Track Helmet is also Consumer Product Safety Commission (CPSC) 1203 Bike safety certified, for ages 14 years and above and fits head sizes 20.9″ – 23.6″ (53 – 60 cm).