Like a sponge, you'll need to replace your helmet liner eventually.
Want to change the lining in your Sweatsaver™ Liner helmet? No problem. Sweatsaver™ liners are sold in various colors and sizes to make your helmet truly yours. Make it all monochrome or be the peacock of the park - whatever your heart desires. Oh, and they all wick the moisture right off your noggin so you don't wind up with helmet stink after you take it off.