Base Layer - Bottoms

With its innovative, seamless, 3-D knit structure, our Capilene Air Bottoms offer amazing warmth and comfort range. An airy blend of 51% responsibl...

Over forty years ago Terramar was the first company to introduce pure silk performance base layer products. Today, Thermasilk is still the standard...

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

The Melody 7/8 Leggings are a go-to for comfort and breathability, ideal for high-output activities such as trail running, cycling, or outdoor yoga...

Combining the naturally anti-odor properties of merino wool, and the added durability of recycled polyester, the lightweight Alpine Onset Merino 15...

The Alpine Onset 150 Base Layers are a lightweight insulator, featuring soft merino wool blended with recycled polyester for superior moisture wick...

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 Bottoms...

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

Capilene Air is the most advanced baselayer we've ever made. It has the greatest range of warmth and comfort of any of our baselayers, insulates ev...

Our Women's Classic All-Season Merino Base Layer Bottoms are the perfect layer to put on for your warm-weather adventures. Made of lightweight, bre...

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...

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.

Start your layering system with our most innovative foundation to date; our Intraknit collection. Our Men's Intraknit Thermal Merino Base Layer Bot...

The wind is howling, and the snow looks like it isn't going to let up anytime soon. Sounds like the perfect time to pull on a pair of our Men's Mer...

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...

Built to fit, flex, and follow you like a shadow, our Women's Intraknit Thermal Merino Base Layer Bottom uses our innovative 3D knitting technology...

When your outdoor excursions need some extra warmth, pull on a pair of these women's fleece wind tights. Soft Merino is next to your skin for comfo...

Keep your ski boots, hiking boots, and running shoes free of bulk and friction with our Men's Merino 250 Base Layer 3/4 Bottom. 100% responsibly so...

Change can be a good thing. We've improved the fit on our 100% Merino bottoms with new side seams and a curved seam in the back to help provide a s...

Capilene Air is the most advanced baselayer we've ever made. It has the greatest range of warmth and comfort of any of our baselayers, insulates ev...

Our Women's Merino 150 Base Layer Bottoms are the perfect layer to put on for your warm weather adventures. Made of lightweight, breathable Merino,...