Attention: Burton Snowboards & Gear can be shipped only within the United States. Description of Burton Audex Sub Hi-Fi Helmet Heavy bass in a lightweight favorite. Huge subwoofer bass boom in the hottest helmet on earth. Original Hi-Fi™ style with the future of audio inside. Features: Skullcandy™ SkullCrushers Amplified Dual Speaker Bass System Compatible with any iPod®, MD, CD or Tape Player One-Touch Mute Removable Goggle Gasket Audex™ Ear Pad Accessory Compatible Ultra Lightweight In-Molded Polycarbonate Shell Quick Clip™ Ear Pads Vent Mesh Zip Clip™ Ratcheting Chin Buckle ASTM 2040 / CE 1077 Certified