Jet Classic Quick Release System HelmetOuter shell construction is DCA tricomposite fiber consisting of dyneema, carbon and aramid fibers.Inner shell construction is EPS moulded in two sizes for better impact absorption.Helmet has two shells to better modulate fit, comfort and aesthetics depending on sizes ranging from XS to XL.Interior is fully removable and washable as well as Sanitized-treated and antiallergenic fabric.Comes with a practical retractable Smoke visor.Quick Release System closure.