Long before the days of electric blankets (or electricity, period), the best thermal underwear was the only thing separating ...

Best for long days at the hockey rink: Smartwool Intraknit Classic Thermal Merino base layer ...

Which thermal underwear is best? Whether you hunt, exercise outdoors, enjoy winter sports or just have to do yard work in the winter, cold weather can make it difficult to stay outside for long ...

A quality pair of thermal underwear is one of the best investments you can make. These performance layers maximize warmth, wick away sweat, and disappear under everything from puffer jackets to ...

"Layering up" takes on a new meaning with these ultrathin base layers that can go incognito under your clothing. (Amazon) ...

Long underwear — a.k.a. long johns, thermals, base layers, or whatever else you want to call the cozy, body-hugging tops and bottoms worn beneath looser clothes in cold weather — is my ...

Thankfully, I hardly feel the cold thanks to my trusty thermal underwear. When choosing thermals ... worrying about it drying in time for your next outing. And the best part?