The beam is a stunner in the lazer range with current modern styling and integrated brim along with lazer39s 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 provide a great fit in mould 401 piece41 construction 16 cooling vents weight 280 g for a medium