Jet Classic 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.Buckle with double ring for secure fastening.Three buttons on frontal part of the shell allow attachment of optional peak or visor which are sold separately.