Women's Thermals

Warmth starts at the core and getting the layering right is critical to a comfortableday outdoors and in the mountains. Our evolved layering system caters to differenttemperatures and different intensity...

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

The Women's Active Stretch Crewneck is a versatile long-sleeve base layer designed to keep you comfortable and dry during any activity. Its moisture-wicking fabric moves with you, providing a snug...

The Women's Active Stretch Tight combines moisture-wicking technology with thermal warmth to keep you comfortable and dry. Its stretchy, close-fitting fabric moves with your body, providing support and flexibility for...

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...

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  Performance Baselayer Scoop Shirt. Crafted from ultra-soft, mid-weight fabric and featuring ClimaSense Thermoregulation Technology, this versatile thermal...