For folks who live in a northern climate, the hardest part of any winter workday is that gut-check moment when you turn off your truck's heater and trudge out into the cold. No matter how many layers you're wearing, you still wish you could bring some of that heat along. Now - thanks to Milwaukee's Cordless Heated Jacket - you can.

Sold as part of the company's 12-volt lithium-ion power-tool line, the jacket has heating elements sewn into its chest and back. They're powered by a battery that sits in a pocket at the jacket's waist. At first I worried that this sizeable lump would be annoying, but it rode comfortably above my toolbelt and remained well clear of my suspender...

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