The Revvi super lightweight helmet weighs in at only 250g without the chin piece fitted and 395g with it fitted. This makes it one of the lightest full face helmets available. This makes it very comfortable for kids and also helps them stay balanced when learning to ride. This full face helmet also features a detachable chin piece so the helmet can be used as a normal helmet. Features: -Size is easily adjusted in seconds to fit head sizes 48cm - 53cm. -12 air vents -Detachable chin piece -Only weighs 250g without the chin piece fitted and 395g with it fitted -Conforms to EN1078 Safety Standard -Safety light fitted to the back of each helmet.