Description of Giro Encore 2 Audio Ski Helmet '09 A low profile, durable hard shell that has you covered in the park. Giro's Fit Kit system lets you customize your fit to accomodate your goggle set up. Features: Integrated TuneUps wireless or Bluetooth LINK High-impact ABS shell EPS liner 13 Super Cool vents with mesh covers ASTM F2040/CPSC compliance