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

Rapha’s long sleeved base layer options extend to this Merino Base Layer and the all-synthetic Thermal Base Layer, which has ...

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 ...

Men’s Journal aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. One rarely-seen feature of this base layer is that, outside of ...

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 naturally ...

A longtime favorite of outdoorsy people and knitwear designers, merino wool is a high-quality natural fiber that will keep you warm without getting sweaty or stinky. While it makes for gorgeous ...

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 ...