Women's running base layers

Discover lightweight, breathable, moisture-wicking women's running base layers that keeps you cool and dry during your run! Plus, the anti-odor fabric keeps you feeling fresh.

The mission of a base layer or thermal underwear is primarily to manage the moisture produced by the body. This base layer is used to wick away sweat and, depending on the type of physical activity, it should also keep you warm or cool.

To be highly effective, it should be snug but not too tight to transport moisture to the outside while retaining your body heat. A base layer should have good odor protection and keep you warm and dry.

Are you looking to create the most comfortable and efficient layering system? We have everything you need! Our guide on the layering system explains how to choose the right clothing with a proven combination of base layer, mid-layer, and outer layer.

Also, check out our article on choosing the right base layer.