In fact, we found a stellar selection of 100% merino wool base layers on Amazon. From shirts to bottoms to two-piece sets, ...

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 ...

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

Thermal underwear is known by many names — long johns, base layers, long underwear, skivvies, or even britches (for my Southern friends). No matter what you call them, they are a staple for anyone ...

Best for long days at the hockey rink: Smartwool Intraknit Classic Thermal Merino base layer Smartwool Intraknit Classic Thermal Merino base layer If the Intraknit Active Base Layer sounds right for ...

First, the materials. This is so important. A quick-drying merino wool base layer will keep you much warmer and dryer than a fleece base layer, for example. Next is durability. Will the product last ...