These base layers prevent sweat buildup and protect against the cold, whether you’re working outside or hitting the slopes.

Tommy John's Second Skin Pajama Set and Cozy Earth's Bamboo Pajama Set came out on top in our testing.

Much like socks and other wardrobe basics, the best men’s underwear should be comfortable, durable, and flattering. But those words mean different things to different people. Some men feel best ...

Long johns, base layers, skivvies—there are many names for thermal underwear for men ... reviews to determine which pairs are the most comfortable to wear and how well they retain their fit ...

LET'S BE FRANK: Thermal underwear is arguably the least sexy type of underwear for men on the market. On the flip side, they are some of the most functional ... with a comfortable elastic waist ...