Refresh your ATR-2 helmet with this O.E.M. replacement comfort liner. Crafted with premium materials, it ensures optimal comfort and support. Easily replace the existing liner for a perfect fit, maintaining exceptional performance on off-road adventures. Replacement comfort liner for the 6D Helmets ATR-2 Helmet. Genuine Dri-Lex® or CoolMax® fabric. 6D's proprietary design provides optimum support, comfort and fit. Features genuine moisture-wicking fabric for a superior sweat management solution. Snaps in-and-out in seconds for fast and easy attachment and removal. Completely machine washable.