When you buy through our links, we may earn money from our affiliate partners. Learn more. Tracksmith Merino wool is great for all-season running since it uniquely keeps you cool on hot days and warm ...

That's why merino wool has become my secret weapon: it’s warm without being bulky, itchy, or too hot. Naturally, the best ...

Outdoor base-layering brand Lé Bent has delivered the ideal winter socks with these full-cushioned merino wool crews. They ...

I've been a merino wool evangelizer for more than 20 years. You simply can't beat the fiber's combination of warmth to weight, moisture management, comfort, odor resistance, and sustainability for ...

If you want to save some cash, it’s worth looking at standard 3L Gore-Tex jackets instead of pro-grade shells. Good examples ...

Hiking outdoors this winter? Here's why you should invest in merino wool base layers (Getty Images) Anyone who spends ample time outdoors in the winter, especially those partaking in cold-weather ...

We independently review everything we recommend. We may make money from the links on our site. Learn more› By Lindsay Warner After new testing, we have all new women’s picks: our top pick, the ...

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 ...