In fact, we found a stellar selection of 100% merino wool base layers on Amazon. From shirts to bottoms to two-piece sets, these pieces will help you stay cozy through the chilly months while always ...

As someone who loves the winter, I’ve had my fair share of borderline-frostbitten toes, but ever since I discovered the merino wool base layer, I’ve been able to stay out longer than ever.

Fortunately, we’ve got an easy trick to tell which merino wool base layer is right for you. Merino wool base layers, also known as thermal underwear or long underwear, come in various weights ...

Layering is not a complicated thing. It's the process of adding and removing layers of clothing to keep your body comfortable in changing weather and temperature conditions.

Like the socks this brand built its reputation on, the Smartwool Merino 150 base layer uses Merino wool – a material that's often used for outdoor apparel, being breathable yet warm, and ...

Good base layers should be formfitting — not tight but not loose — in order to retain heat. They are often woven from merino wool or technical synthetic fabrics that also have moisture-wicking ...

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 ...

While these long-length sports trunks from Reebok aren’t specifically designed for one specific activity – you can wear them ...