Women’s Active Base-Layer Clothing

When you’re gearing up for winter sports or extended outdoor activity, you’ll want the best women’s base-layer clothing you can find. Amazon can help, with a complete selection of thermal underwear, quick-dry shirts, performance leggings, and more.

Whether you prefer base layers made from cotton, wool, silk, polypropylene, or a blend, Amazon offers all of them. You’ll find base layers with features like flat-lock seams, moisture-wicking fabric, and odor-resistant technology to fit your specific needs.

Browse women’s base-layer tanks, tops, pants, underwear, and more from leading brands--including Body Glove, ExOfficio, Helly Hansen, Icebreaker, Nike, SmartWool, Under Armour, and more.