See at Backcountry.com Alas, these aren't speakers you can add to any ski helmet. The headset is sold as a $300 accessory for any of POC's Obex helmets, or it's available in POC's $550 Obex ...

POC, which rumor has it stands for “piece of cake,” makes Popp’s go-to helmets. The relatively young brand was founded in Sweden in 2004 and is best known for its ski racing helmets used by ...