Cutting-edge childrens safety helmet for biking, skating, and moreErgonomic interior padding is comfortable and secure17 top and side vents help rider keep a cool head on hot daysProduct Description:Color:BlackYour smart choice for biking, skating or any other sport that requires protective headgear. 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 ensure 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. Fits head sizes 21.5 to 22 inches; for ages 5 to 8; complies with CPSC standards