The TuffRider Washable Coolmax Helmet Liner will fit perfectly into any TuffRider helmet when a new liner is needed! Made from technical Coolmax fabric, this liner has moisture-wicking abilities that are great when wearing a helmet all day. The Coolmax Helmet Liner is also machine washable so that it can always be spotless and clean. It comes in sizes small to large to fit both adults and children.Excludesstyles #2312, #2311, & #2310