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...

Buy the Wool Thermo Longs w/Inlay locally.

The Below Zero Performance Tight is the perfect piece to keep you warm. The extra durable four way stretch provides support and ease of movement in...

The Cloud Nine Performance Tight is the ideal piece for all day warmth and comfort while being out in the elements. This versatile piece features a...

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...

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...

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

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...

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

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

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...

When you are looking for the comfort of Merino, without adding extra fabric in your ski boots, our Women's Merino 250 Baselayer 3/4 Bottom has you ...

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,...