C-Preme: Bolt LED Green FS Child Helmet (5+ Years)The Raskullz Bolt LED Fit System helmet has a light-up 3D fin hawk! Five LED lights illuminate the rubber mohawk with a steady light or flashing sequence.The lights are activated by a button located on the back of the helmet and will automatically turn off if left on.A sleek, easy-to-use fit system offers an adjustable, secure fit with a quick turn of the dial.The child size helmet is recommended for riders 5–8 years old, but will fit anyone with a head measuring 50–54 cm. Helmet Features3D Fin Mohawk & Radical Printed GraphicsAuto-Shut Off Feature to Conserve Batteries (2 x 3V CR2032 Batteries Included)Adjustable StrapsImpact Liner Type - Expanded Polstyrene FoamShell Type - PVC ShellVentilation Type - Aerodynamic Cooling Vents Size - Child, Unisize 50-54cm