HJC Redline Mens CL-17 Snocross Snowmobile Helmet - MC-2 / 2X-Large Full front to back airflow flushes heat and humidity up and out. SuperCool Moisture-Wicking Interior 2-Stage shield closure system with one-touch center open/close shield locking system makes for an extremely tight and secure seal Fully removable cheek pads and liner 2014 Model Fabric