Conquer unpredictable shoulder season weather with these Merino wool base layers.

Despite its typical high prices, this versatile and super-soft fabric doesn’t have to break the bank or come from a high-end ...

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 ...

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 ...

Australian brand Maap’s range of technical long sleeved base layers includes this Thermal LS Tee and its Deep Winter Thermal ...

Joe Jackson, Outside online's Gear Guy, never thought that the ten years he spent as a raft guide, outdoor retail employee, and vagabond would turn into a career. Base layers are damned important.

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 ...

We updated this article in September 2022 to add more information about each featured product, based on extensive research done by our team. You can still get outside safely when temperatures ...