Kids Helmet for Bike Bicycle Cycling Scooter Skate Skateboard - Black. This bright-colored Kids Helmet is perfect for various outdoor physical sports like biking, skateboarding, inline, roller skating, and more. Indeed an adorable choice for riding safety. Features Top & side vents keep you cool while you ride in summer cycling. Fully adjustable and has a secure sponge web strapping with easy quick release buckle. Fits child 5 to 8 years old and 22.5" to 24.5" head size.