Shoei Rf-1400 Snell 2025 Center Pad Replacement center pad for Shoei Rf-1400 Helmets with the Snell 2025 rating. Center Pads are interchangeable only within shell sizes (Xs-Sm, MD, LG and Xl-2Xl). OEM Sizing: XS: 13Mm SM: 9MM MD: 9MM LG: 9MM XL: 9MM 2Xl: 5MM Optional Sizing: XS Helmets: SM 5MM or SM 9MM for a looser fit SM Helmets: XS 13Mm 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: Only compatible with Snell 2025 rated helmets, please check certification sticker or a production date of May 2025 or later to confirm before purchasing.