Biltwell Gringo / Gringo S ECE Helmet Liner Restore that fresh out of the box feeling with a new top liner. Features: Compatible only with ECE 22.05 rated helmets Liners are only interchangeable within shell sizes: Xs-Md and Lg-2Xl Fits ECE 22.05-rated versions of the Gringo and Gringo S Helmets Easily installs with a tabbed hook and look securing system