Biltwell Lanesplitter Helmet Liner & Cheekpads The removable liner in your Lane Splitter full-face helmet can get grungy after heavy use. Keep your lid fresh and clean with a new liner and cheek pads. Customize the fit to give you a little more or less room. One interior comfort liner and two cheek pads are included with each kit, and installation is easy. Note: Each size option includes the corresponding helmet liner and stock thickness cheek pads. Helmet liners are not interchangeable between sizes. Stock Cheek Pad Sizes XS: 29Mm SM: 24Mm MD: 29Mm LG: 24Mm XL: 19Mm 2Xl: 15Mm Care: Never throw your helmet's liner and cheek pads in the washer or dryer. Instead, carefully remove the pieces and hand wash them in the sink with mild soapy water. Let them air dry 24 hours before reinstalling them to avoid dampness or mildew. If you can't be bothered with cleaning the comfort liner and cheek pads, simply pull them out, throw them away and replace them with a new set. Viola! your helmet is fresh as a daisy.