The ls2 ff323 arrow r evo ion motorbike helmet visor are packed with featureshelmet specifications includeshellhpfc high performance fiberglass composite hpfc is a carefully layered blend of a unique fiberglass weave and organic resin into a strong ultra lightweight but rigid shell that accepts an impact while dispersing energy for a safer ride4 shells ls2 offers multiple shell sizes specifically sized eps protective liners and their high quality high performance comfort padding