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Google Glass may be shattered, but ...

Google has gone back to the drawing board with Glass, but wearable technology—an up-and-coming product class for the past few years—finally seems poised to burst into the mainstream.

Once restricted to the athletically minded and early adopters of tech, wearables are priming for tremendous growth. According to CSS Insight's latest global wearables forecast, sales are predicted to jump from 29 million units in 2014 to 172 million by 2018, with the biggest spike expected to take place this year. Juniper Research is even more optimistic, seeing global revenues from wearables hitting $53.2 billion by 2019, a nearly 12-fold increase over 2014.

That projected growth, not surprisingly, includes all sorts of new products, with a wide range of focuses. Here are 10 wearables expected to launch this year that might be worth keeping an eye on.

David Paul Morris | Bloomberg | Getty Images