I saw a few guys wearing these back in December at Sierra Nevada and then again last month in Chamonix. There are two different companies from what I’ve gathered, and the packs and airbags have slightly different designs, but the end idea is the same –to keep you on top of an avalanche. Check out the websites for more. ABS system www.abssystem.com and Snow Pulse www.snowpulse.com Here’s a video of showing how the ABS pack works.
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