With current modern styling and integrated brim along with Lazer\'s own patented Autofit system.Autofit system is an automatic fit system that delivers equal and constant tension by eliminating the need to manually adjust helmet retention: simply pull the helmet on, and the front and rear baskets of the helmet will adjust themselves to give a great fit.Key Features:In-mould (1-piece) construction,16 Cooling vents,Additional Crazy nut shellz can also be bought separately to quickly change the look of this helmet check out our full range of exciting colours and styles,Weight: 280 g for a uni-size youth,Size: Uni-Size Kids 46-50 cm.