Upgrade your ATR-2 helmet with the ATR-2 SuperCool comfort liner. This liner provides enhanced cooling for your off-road adventures. Designed with advanced materials and more ventilated foam, it promotes airflow and moisture-wicking to keep you cool and dry during intense rides. Experience superior temperature regulation with the ATR-2 Supercool cheek pads, ensuring an enjoyable and refreshing ride every time. Replacement comfort liner for the 6D Helmets ATR-2 Helmet. Genuine SuperCool™ fabric. 6D's proprietary design provides optimum support, comfort and fit. Snaps in-and-out in seconds for fast and easy attachment and removal. Completely machine washable.