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Best Thermal Underwear & Women's Long Underwear Pants

Thermal Underwear Shirts, Base Layer Pants & Women's Base Layer Shirts

When you wear our women's base layers, you'll keep heat in and moisture away while you're running daily errands during freezing winter days. Our best thermal underwear ranges from cozy turtleneck base layer shirts to our innovative and ultra-lightweight Thermaskin™ Heat Pants with wide cuffs to help further seal out the cold. We have long underwear pants and other must-have women's base layers in regular, petite and plus sizes, providing a great fit from day one. Wear our thermal underwear shirts and base layer pants to keep comfy as you're shoveling snow or walking the dog.

Must-haves, our women's base layers stay warm during your daily activities in winter. Our best thermal underwear holds in body heat while wicking away moisture.

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Our women's base layers deliver plenty of warmth, but feel so lightweight you'll forget you're wearing thermal underwear shirts and base layer pants.

You'll want our women's base layers when temperatures tumble and you still need to get to the post office or bank before they close. We have the best thermal underwear essentials to keep you cozy as you're racing through cold days to check off everything on your to-do list. Layer our long underwear pants under your favorite chinos or jeans before shoveling snow from the driveway and sidewalk. Wear our thermal underwear shirts under our long sleeve winter tops, cozy sweaters, and warm winter outerwear for nights when it's freezing out and you need to take the puppy for a walk.

With our women's base layers, enjoy a range of layering options, such as turtleneck, cami, V neck tank, and other thermal underwear shirts. Our best thermal underwear shirts and pants are designed from high-performance fabrics made to generate heat by absorbing body moisture. Our long underwear pants and base layer shirts also have a touch of stretch to keep up with your everyday active pursuits. You'll find our thermal underwear shirts and base layer pants in regular, petite, and plus sizes for an ideal fit – never too snug or too loose.
Products 37 - 40 of 40