HELMET ZONE PRO MONOCOLOR WHITE TRIALS HELMETThe Fiberglass helmet models have a net weight of 1050 grams. They are manufactured with a fiberglass shell and a triple density EPS interior. They come in three different shell and EPS sizes 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