Bern Unlimited Zipmold Snow Helmet 8 Tracks Audio Liner, Black, Medium/Large Fits the following Zipmold BERN Helmets: Allston, Brentwood, Berkeley BERN's Audio Knits are low profile, so even if you are not rocking the audio, you have a clean and slim, functional knit Goggle Clip included with knit purchase Velcro Adjustment at back of head helps stabilize helmet further and enhance fit