The Dissident Comp packs the same awesome protection & ventilation features of the Dissident into a composite shell which allows us to offer this exceptional gravity helmet at a wallet-friendly price.> Engineered to protect gravity bike park & downhill riders.> Meets the ASTM DH safety testing standards for impact protection & chin bar performance.> Lightweight composite shell.> 4th Dimension Cooling System provides superior comfort.> Helmet EJECT™ system compatible.> Leatt™ brace compatible.> Removable washable liner & cheek pads.