The Under Armour Women's ColdGear Armour Crew is a reliable choice for women's running base layer top. It is made with ColdGear fabric, which provides excellent warmth and moisture-wicking properties to keep you dry and comfortable during your runs. The crew neck design offers a classic and versatile look, while the fitted silhouette ensures a snug and supportive fit. This base layer top also features flatlock seams to minimize chafing and a brushed interior for added comfort. Whether you're running in cold weather or layering up for outdoor activities, this top will keep you warm and focused on your performance.