Sweaty Betty's Black Friday sale has dropped, and it's packed with discounted running leggings, base layers and cold-weather gear designed to keep you moving ...

Once winter hits, fleece-lined leggings are a necessity. We found the best ones from Amazon, Lululemon, Uniqlo and more, starting at $20.

And if you want to take things to the next level, you can even add a treadmill, elliptical machine, or stationary bike. “It’s ...