Keep your music playing and your head protected with the Giro G9 Audio Series Helmet. This Helmet features Giro's Tuneups audio system to give you high quality stereo sound in a super lightweight package.Use this helmets in-line mute control to mute your beats on the lift then turn them back to listen on the way down. Giro gave the G9 Helmet 12 massive vents to keep you cool as you hike the pipe. A tough polycarbonate outer shell works with the helmet's impact-absorbing foam liner to protect your dome if you end up on your head above the lip. At 13.5 oz, you'll hardly notice you're wearing a helmet.