Nexx Xg30 Liner Replacement liner for the Nexx Xg30 helmets. Liners are interchangeable within their shell sizes: Xs-Md, LG and Xl-2Xl. Sizing: Xs-Md: Available in 8mm, 6mm and 4mm thickness Compatible with XS, SM and MD LG: Available in 4mm thickness Compatible with LG Xl-2Xl: Available in 8mm and 6mm thickness Compatible with XL and 2XL OEM Sizing: XS: 8MM SM: 6MM MD: 4MM LG: 4MM XL: 8MM 2Xl: 6MM Note: Does not include cheek pads.