Women's Baselayer & Undergarments

Over forty years ago Terramar was the first company to introduce silk performance base layer products. Thermasilk® is still going strong. The Point...

ClimaSense Thermoregulation Technology keeps you comfortable in all conditions Engineered to adjust to your body temperature Inhibits the growth o...

Stay cozy in the Women's Sweet Seams Cotton Pointelle Crew Neck. Made from 100% cotton, the pointelle fabric adds a touch of elegance to this 5.0 o...

From trekking across Thailand to traversing the toughest stretches of Baja, we've spent over 20 years perfecting the art of adventure—and underwear...

Meet the new and improved Women's Merino 250 Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new color options and an enhanc...

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...

Leopard Print Modal Boyshort Underwear gives you more sumptuous Modal per square inch for a softer, better fitting, and more durable product than t...

Lucky Symbols Modal Boyshort Underwear gives you more sumptuous Modal per square inch for a softer, better fitting, and more durable product than t...

Cowboy Boots Women's Underwear gives you more sumptuous Modal per square inch for a softer, better fitting, and more durable product than the compe...

Women's Hot Tub Club Navy Boyshort Underwear with Waistband gives you more sumptuous Modal per square inch for a softer, better fitting, and more d...

The Aphrodite light pink striped modal boyshort underwear gives you more sumptuous Modal per square inch for a softer, better fitting, and more dur...

Meet the new and improved Women's Classic Thermal Merino Base Layer Crew. Smartwool updated this 100% Merino wool fan favorite with new color optio...

Road crew or ranch hand, when your work keeps you outdoors, you need to be prepared for the weather. Designed for cold days, this women's heavyweig...

From trekking across Thailand to traversing the toughest stretches of Baja, we've spent over 20 years perfecting the art of adventure—and underwear...

From trekking across Thailand to traversing the toughest stretches of Baja, we've spent over 20 years perfecting the art of adventure—and underwear...

Stay warm all winter with our 100% Cotton Thermal Top. Made of 100% combed cotton, this warm thermal underwear traps body heat to provide warmth on...

From trekking across Thailand to traversing the toughest stretches of Baja, we've spent over 20 years perfecting the art of adventure—and underwear...

From trekking across Thailand to traversing the toughest stretches of Baja, we've spent over 20 years perfecting the art of adventure—and underwear...

From trekking across Thailand to traversing the toughest stretches of Baja, we've spent over 20 years perfecting the art of adventure—and underwear...

Cloud Nine is the Terramar product where form perfectly meets function. The midweight fabric is ultra-soft and features ClimaSense Thermoregulation...

Cloud Nine is the Terramar product where form perfectly meets function. The midweight fabric is ultra-soft and features ClimaSense Thermoregulation...