Women's Thermals

The Kari Traa Eloise Half Zip merges the warmth of traceable Merino with soft, sustainable Tencel in a chic, versatile baselayer perfect for any adventure. The lightweight Kari Traa Eloise...

Heavyweight, fleece backed, body hugging legging with natural wicking properties. CONTENT: 85% Nylon, 15% Elastane https://www.nils.us/fitting-room

Whether worn as a winter base layer, or a cool-weather pant, the UltraGear Bottom has the versatility to handle any adventure. We created it with elastane and double-knit fleece keeps...

Our Militia top is a functional base layer. It is made from recycled stretch polyester, brushed on both sides for an extra-soft feel. Our Dry Feel antimicrobial treatment and Dry...

We've updated the fit of our Women'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...

Anything. Anywhere. That's what our Women's Classic Thermal Merino Base Layer Colorblock 1/4 Zip is made for. The possibilities are endless when you're wearing something this warm and ready to...

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 enhanced fit to improve functionality while...

Experience all-day warmth and comfort in the elements with our Women's Cloud Nine Midweight Performance Baselayer Scoop Shirt. Crafted from ultra-soft, mid-weight fabric and featuring ClimaSense Thermoregulation Technology, this versatile...