Founded in 1963, Alpinestars has built a reputation of innovation and prestige. Now, fifty years later, Alpinestars is synonymous with quality, protection, technology and style. Replacement helmet liner for the Alpinestars S-M5 Helmet. Removable comfort liner with Silverplus® treated fabrics for excellent moisture-wicking, effectively drawing perspiration away from the skin. Liner is removable and washable.