Slide the FitClip up adjust the length of the helmet, slide the FlipClip down. Molded grip texture Comfort Cushions for snug fit. Mechanically attached EPP liner delivers pro-proven protection. Integrated venting channels help keep head cool. ABS Subshell for protection, MaxVents throughout helmet. Translucent SURLYN ear covers protect and blend with the look of helmet. Secure-strap ear loops keep chin strap in position. Zinc plated flat/star screws minimize rust. The Combo comes with the Reebok FM5K Silver Face Mask with a Thin, straight bar design.