Women's Noorvik Base Layer Legging

The slim Women's Noorvik Quarter Zip Base Layer Leggings are designed with subzero temps in mind, repelling moisture and holding body heat like a warm hug.

Base Layer Bottoms - Base Layers - Women

The Best Men's Base Layers of 2024

Strenuous activity is supposed to be uncomfortable—but Smartwool® base layers can help reduce some of that. Meant to layer under shorts or pants, our

Women's Intraknit Active Base Layer Bottom

Base Layer Bottoms - Base Layers - Women

Perfect for layering or just chilling out!

Organic Cotton Legging, Base Layer, Heather Grey

Lisa2 High-Waisted Legging Sustainable, Canadian Made Clothing – Miik

Russell Base Layer Pants

Strenuous activity is supposed to be uncomfortable—but Smartwool® base layers can help reduce some of that. Meant to layer under shorts or pants, our

Women's Intraknit Active Base Layer Bottom

The 6 Best Thermal Underwear of 2024