I wear base layers most every day in the winter, under my jeans walking around town, on winter hikes, or under my ski kit on the slopes. Of everything I've tested, these are some of my favorite ...

Staying cozy throughout the ski day (and into the après hours) can be hard work, but Artilect’s Flatiron base layer bottoms do the trick and then some. These use a new type of merino wool material ...

At the resort, I’ll often stash that layer somewhere in the base lodge at lunch. If I’m ski touring, that layer spends the second half of the day in my pack and can come back during breaks, if the ...

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 ...

When it comes to pants, stay warm and dry by bringing waterproof ski pants to wear over your base layer pants. Or, some skiers prefer bibs, which are basically overalls that cover up to your chest.