The Razor v-17 multi Sport helmet unites superior quality with a cutting edge design .. your perfect choice for biking, skating or any other Sport that requires protective headgear. On the street or in the half pipe the Razor v-17 provides you with superior security and protection. The ergonomic designed padding and an additional sizing pad set for the perfect individual fit guarantee ultimate comfort. The 17 vents keep your head cool at all times and the side release buckles make it a breeze to adjust and fasten your chin strap. Factory contact information at 1-800-451-kent (5368).