Smartwool

Our Men's Classic Thermal Merino Base Layer Colorblock Crew features 100% Merino wool made with a flatlock seam construction and offset shoulder and side seams designed for enhanced comfort, breathability ,...

We've updated the fit of our Men's Classic Thermal Merino Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of our heaviest base layer tops and...

This minimalist-style crew is anything but insignificant. Our Men's Intraknit™ Thermal Merino Base Layer Crew is a lightweight, super-moveable top, made for all of your most extreme cold-weather activities. With...

Bring comfort to every cold weather workout in the Men's Active Fleece 1/2 Zip. Designed with a four-way stretch knit fabric for maximum mobility, soft-brushed Merino next to skin for...

Meet the better-than-ever Men's Merino 250 Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new colors and a new fit to improve functionality while enhancing aesthetics. Shoulder...