Womens Base Layer & Thermal Leggings

Featuring our most advanced thermal-reflective lining, this baselayer is essential.

Women's Omni-Heat™ Infinity Baselayer Tights

This Thermal Underwear Set on Will Keep You Warm All Winter

Thermal Seamless Base Layer Tights - Black

An incredibly warm merino base layer for the coldest months of the year, the 260 Tech High Rise Leggings are go-to piece for winter layering—ideal for

Women's Merino 260 Tech High Rise Thermal Leggings

Women's UA Base 4.0 Leggings

Midweight base layer bottoms perfect for skiing, winter hiking, or cold-weather layering, the 260 Tech Leggings are a warmer version of our

Women's Merino 260 Tech Thermal Leggings

Ultralight merino base layer bottoms designed to help regulate body temperature during high-intensity activity, the 125 ZoneKnit™ Leggings feature our

Women's 125 ZoneKnit™ Merino Blend Thermal Leggings

Women's Omni-Heat™ Infinity Baselayer Tights

Womens Merino 240 Thermal Set, Products

We've designed the best high-waisted thermal base layer leggings that you won't want to take off., FIT- Super high-waisted without an itchy elastic

Women's Thermal Leggings