The Fibreglass helmet models have a net weight of 1050 grams. They are manufactured with a fibreglass shell and a triple density EPS interior. They come in three different shell and EPS sizes (XS & S, M & L and XL) and are certified according to the European standard ECE 22-06. The helmets interior is fully removable and made with foam of varying densities, covered with hypoallergenic Coolmax fabric for perfect comfort.They feature four air vents (two at the front and two on top) and 2 rear exhaust vents, along with a micrometric security closure. The visor is removable without screws, making assembly and disassembly easy.