Shoei Rf-1200 / Rf-1400 Snell 2020 Helmet Liner Replacement center pad for Shoei Rf-1200 and Rf-1400 Helmets. Center Pads are interchangeable only within shell sizes (Xs-Sm, MD, LG, and Xl-2Xl). OEM Sizing: Compatible only with Snell M2020 certified models XS: 13Mm SM: 9MM MD: 9MM LG: 9MM XL: 9MM 2Xl: 5MM Optional Sizing: XS Helmets: 2XS 17Mm for a tighter fit, or SM 5MM or SM 9MM for a looser fit SM Helmets: XS 13Mm or 2XS 17Mm for a tighter fit, or SM 5MM for a looser fit MD Helmets: MD 13Mm for a tighter fit or MD 5MM for a looser fit LG Helmets: LG 13Mm for a tighter fit or LG 5MM for a looser fit XL Helmets: XL 13Mm for a tighter fit or 2XL 5MM for a looser fit 2XL Helmets: XL 9MM or XL 13Mm for a tighter fit Note: Due to manufacturer restrictions, Shoei products can only be shipped to addresses within the United States. Note: Not compatible with Snell 2025 rated helmets please check the certification sticker or production date (prior to May 2025) on your helmet to confirm before purchasing.