After several cold winters living in the Rocky Mountains, I've tested the best base layers for skiing, including Merino wool ...

A great ski outfit starts with a warm and breathable base layer.

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.

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 ...

The right base layers can help keep you warm and comfortable on blustery, cold days or when you’ll be outdoors for hours. Designed to be worn next to your skin, and under mid and outer layers ...

A natural fibre, such as Merino wool, is ideal in a base layer because it keeps you warm when you’re cold and cool when you’re hot. Merino also doesn’t need washing as often as other fibres ...

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 ...