READY TO ROLL! A helmet made for kids who can’t wait to ride, explore, and push their world a little wider every day. It brings high-level safety, a clean look, and comfort that keeps up with every burst of energy and every new adventure. Light, reliable, and built for everyday fun, the J1 KinetiCore is a dependable companion for kids who are simply ready to roll. SPECIFICATIONS Fit System Fixed TurnSys Sizes Kids (50-56cm) Weight 300g