In this guide’s title, we refer to these layers as “thermal underwear” because that’s what most people search for when they’re looking for something to wear while they’re active.

In our column “What I Can’t Live Without,” we’ve interviewed hundreds of famous people about their favorite products — and here, we’re delving into their favorite underwear.

It can be cumbersome. We wish this insulated bag had a shoulder strap, like the Carhartt 12-Can Two Compartment Lunch Cooler—when it’s fully expanded and loaded with food or drinks ...

Everybody wants to know what goes bump in the night, even if it doesn’t bump and even if it’s not nighttime. Happily, thermal monoculars, a new and energetic category of gear, often identify what used ...

So to find the best shapewear, I put together a panel of experts — including underwear-store owners, plus-size bloggers, and Hollywood costume designers — and asked them about their favorites.

From briefs and boy shorts to thongs, hipsters, shapewear styles, and more, these are the best underwear for women. Our editors and experts handpick every product we feature. We may earn a ...

The solution? Start thinking of finding the best women’s underwear as a life hack that makes every day better. (Because trust us, it does.) What exactly makes a pair of underwear so good?

(If you're free-balling your way around town, it doesn't matter how nice your jeans are.) Amazon, it turns out, is absolutely the place to stock up on underwear, socks, and tees. Not sure where to ...

Winter in the UK can be a tricky season, with changeable weather from one day to the next. Kids’ thermals are the ideal solution for the chilly winter months, with everything from insulated gloves to ...

Thermal cutoffs and thermal protectors are nonresetting, thermally-sensitive devices that are designed to protect electrical appliances and industrial equipment from fire. They are sometimes called ...

For my initial hunting base layer testing, I considered several essential criteria: comfort, durability, moisture management, and thermal regulation. I also looked at whether the garments had any hard ...