Baselayers

Windproof mountain running tights built for winter and cold weather.

Whether you're taking on the Nordic trails or heading out for a cooler-weather hike, the Men's Classic All-Season Merino Base Layer 3/4 Bottom is p...

Buy the Wool Thermo Longs w/Inlay locally.

Buy the Super Thermo C-Shirt locally.

The optimum base layer for cold weather and expedition use. Whether worn under hard or soft shell pants this is the most effective base layer you c...

New to our innovative Intraknit line is the Men's Intraknit Merino 200 1/4 Zip. This Smartwool base layer is 3D-mapped for a near-custom fit and fr...

Made with our innovative Intraknit technology, this men's baselayer crew is designed with colorblock patterning for a distinctive look. It's 3D-kni...

Our Men's Intraknit Thermal Merino Base Layer 3/4 Bottom are the warm and winter-ready pants you need to perform all season. Our Merino Sport yarn ...

When you combine Merino wool with TENCEL Lyocell fibers, you get a performance fabric with a number of comfort-inducing benefits, including softnes...

A breathable, lofted hoody that keeps you warm in cold conditions and is styled to layer over your favorite tech tee. Built of Polartec Power Grid ...

Soft, stretchy, breathable and compressible, Capilene Thermal Weight is made of Polartec Power Grid fabric with a smooth face that glides beneath l...

Our most versatile baselayer: warm, breathable, quick-drying and with HeiQ Fresh durable odor control for daily use. The Capilene Midweight Zip-Nec...

The Vigor Grid Fleece Bottoms are a performance layer geared toward high-output mountain activity. An internal elastic waistband and drawcord give ...

A year-round favorite, our Classic All-Season Merino Base Layer Bottom works hard to keep you comfortable everywhere, from the ski lifts to the cam...

Our popular Classic All-Season Merino Base Layer 1/4 Zip is the perfect base layer for warm or cold weather. This top uses our All-Season-weight Me...

Designed to keep you warm and comfortable in cold conditions. This stretchy, smooth-faced technical layer for everyday activities is made with a so...

We've updated our Men's Merino 250 Base Layer Bottom to bring you a better fitting, more functional tight. The technical benefits of 100% Merino wo...

This ultra-lightweight base layer is perfect for year-round layering, whether you're taking on the Nordic trails or heading out for a cooler-weathe...