The Smartwool Intraknit Thermal Max Merino Base Layer 1/4 Zip is now down 40% as part of Smartwool’s winter apparel sale, ...

New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! Subscribe today. Yes! Wool! Count ...

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 ...

I spend my winters outdoors, skiing in the Rocky Mountains. Here are the best base layers that keep me warm, dry, and ...

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 ...

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 ...

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.