Although this beloved fabric is known to be pricey, Amazon has a ton of affordable options.

There’s no doubt that merino wool is an insulating rockstar among outdoorsmen and women. Thanks to its warmth, breathability, moisture-wicking, and odor-repelling performance, it has a massive fan ...

Smartwool base layers are a must if you live in a cold climate or vacation in snowy destinations. The brand's apparel and accessories are all made of 100 percent sustainably sourced merino wool, which ...

A good merino base layer might be an investment, but it's certainly worth it for its temperature-regulating, moisture-wicking properties that keep you comfortably warm and dry. Whether you're an ...

A good merino base layer might be an investment, but it's certainly worth it for its temperature-regulating, moisture-wicking properties that keep you comfortably warm and dry. Whether you're an ...

I’ve stopped wearing merino base layers. The change wasn’t deliberate, sudden, or driven by a deep concern for the wellbeing of rare sheep. Instead, it happened naturally over time, because the latest ...

Base layers for men often don’t get the same sexy headlines, bleeding-edge technological advances, or eye-bulging price points as their outer layers counterparts. But your next-to-skin layer is just ...

It’s officially cozy season, so it’s the perfect time to shop for a new set of the best base layers to wear under your ski clothes or winter hiking outfits. However, with so many options and a wide ...

Here are some of our running favourite base layers for 2026.