Giro Children's Rascal Cycling Helmet A Cool Helmet With Great Features For Parents & Kids Alike, With 12 Vents Included For Ventilation OneStep Self-Adjusting Fit System Is The Easiest Way To Fit A Child's Helmet Quickly And Securely In-Mold Polycarbonate Shell With EPS Liner Enables Helmet To Be Lighter, Cooler And More Durable Built-In Visor, Bug Net, Pinch-Guard Buckle And Flashing LED Rear Lights To Make You More Visible Available In A Range Of Colours And Graphics In Sizes Small/Medium Or Medium/Large